{"asset": "blood-donor-deferral-criteria", "asset_type": "eligibility", "body": "How long you must wait before giving blood, by reason, compared across the American Red Cross (US), JPAC / the UK Blood and Tissue Services, Canadian Blood Services and the Irish Blood Transfusion Service. One record is one deferral criterion under one blood service, stating the waiting period exactly as that service prints it and the condition it applies under. Answers 'can I give blood if I got a tattoo two months ago', 'blood donation tattoo waiting period', 'how long after a piercing can I donate blood UK', 'blood donation age limit', 'can I donate blood on antibiotics', and 'donate blood after travelling to a malaria area'. The same criterion genuinely disagrees between services and assistants state one national rule as universal: a tattoo is a 4-month deferral in the UK and Ireland, 3 months in Canada, and in the US no deferral at all unless the tattoo was applied in one of eight named states that do not regulate tattoo facilities.\n", "description": "How long you must wait before giving blood, by reason, compared across the American Red Cross (US), JPAC / the UK Blood and Tissue Services, Canadian Blood Services and the Irish Blood Transfusion Service. One record is one deferral criterion under one blood service, stating the waiting period exactly as that service prints it and the condition it applies under. Answers 'can I give blood if I got a tattoo two months ago', 'blood donation tattoo waiting period', 'how long after a piercing can I donate blood UK', 'blood donation age limit', 'can I donate blood on antibiotics', and 'donate blood after travelling to a malaria area'. The same criterion genuinely disagrees between services and assistants state one national rule as universal: a tattoo is a 4-month deferral in the UK and Ireland, 3 months in Canada, and in the US no deferral at all unless the tattoo was applied in one of eight named states that do not regulate tattoo facilities.", "file": "index.md", "generated": true, "harvested": "2026-08-06", "key_field": "criterion", "licence": "Facts extracted from freely published donor eligibility pages of national blood services, with a short attributed quote and a link back to each source. Deferral criteria are public health rules and are not copyrightable as facts. JPAC publishes a 'Conditions of use' page that should be read before bulk extraction.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html", "https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility", "https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations", "https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/piercings-tattoos", "https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/travel-living-abroad", "https://www.giveblood.ie/can-i-give-blood/", "https://www.jpac.org.uk/guidelines/wb/index/age/", "https://www.jpac.org.uk/guidelines/wb/index/body-piercing/"], "stale_after": "2027-02-02", "title": "Blood donor deferral criteria compared across national blood services", "type": "dataset", "verified": false} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Acupuncture\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Outcome:** accept\n\n> Donors who have undergone acupuncture treatments are acceptable.\n\nSource: \n", "criterion": "Acupuncture", "file": "american-red-cross-us-acupuncture.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-acupuncture", "outcome": "accept", "source_quote": "Donors who have undergone acupuncture treatments are acceptable.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Acupuncture \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Age\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** at least 17 years old\n\n**Condition:** to donate to the general blood supply\n\n**Outcome:** temporary deferral\n\n> Age You must be at least 17 years old to donate to the general blood supply,\n\nSource: \n", "condition": "to donate to the general blood supply", "criterion": "Age", "file": "american-red-cross-us-age.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-age", "outcome": "temporary deferral", "source_quote": "Age You must be at least 17 years old to donate to the general blood supply,", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Age \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "at least 17 years old"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Allergy, Stuffy Nose, Itchy Eyes, Dry Cough\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as you feel well, have no fever, and have no problems breathing through your mouth\n\n**Outcome:** accept\n\n> Acceptable as long as you feel well, have no fever, and have no problems breathing through your mouth.\n\nSource: \n", "condition": "as long as you feel well, have no fever, and have no problems breathing through your mouth", "criterion": "Allergy, Stuffy Nose, Itchy Eyes, Dry Cough", "file": "american-red-cross-us-allergy-stuffy-nose-itchy-eyes-dry-cough.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-allergy-stuffy-nose-itchy-eyes-dry-cough", "outcome": "accept", "source_quote": "Acceptable as long as you feel well, have no fever, and have no problems breathing through your mouth.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Allergy, Stuffy Nose, Itchy Eyes, Dry Cough \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Antibiotics\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 10 days\n\n**Condition:** after last antibiotic injection for an infection\n\n**Outcome:** temporary deferral\n\n> Acceptable after finishing oral antibiotics for an infection (bacterial or viral). Can have taken last pill on the date of donation. Antibiotic by injection for an infection acceptable 10 days after last injection.\n\nSource: \n", "condition": "after last antibiotic injection for an infection", "criterion": "Antibiotics", "file": "american-red-cross-us-antibiotics.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-antibiotics", "outcome": "temporary deferral", "source_quote": "Acceptable after finishing oral antibiotics for an infection (bacterial or viral). Can have taken last pill on the date of donation. Antibiotic by injection for an infection acceptable 10 days after last injection.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Antibiotics \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition", "verified": true, "waiting_period": "10 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Aspirin\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** for donating whole blood; must wait 2 full days before donating platelets by apheresis\n\n**Outcome:** accept\n\n> Aspirin, no waiting period for donating whole blood. However, you must wait 2 full days after taking aspirin or any medication containing aspirin before donating platelets by apheresis.\n\nSource: \n", "condition": "for donating whole blood; must wait 2 full days before donating platelets by apheresis", "criterion": "Aspirin", "file": "american-red-cross-us-aspirin.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-aspirin", "outcome": "accept", "source_quote": "Aspirin, no waiting period for donating whole blood. However, you must wait 2 full days after taking aspirin or any medication containing aspirin before donating platelets by apheresis.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Aspirin \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Asthma\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as you do not have any limitations on daily activities and are not having difficulty breathing at the time of donation\n\n**Outcome:** accept\n\n> Acceptable as long as you do not have any limitations on daily activities and are not having difficulty breathing at the time of donation and you otherwise feel well. Medications for asthma do not disqualify you from donating.\n\nSource: \n", "condition": "as long as you do not have any limitations on daily activities and are not having difficulty breathing at the time of donation", "criterion": "Asthma", "file": "american-red-cross-us-asthma.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-asthma", "outcome": "accept", "source_quote": "Acceptable as long as you do not have any limitations on daily activities and are not having difficulty breathing at the time of donation and you otherwise feel well. Medications for asthma do not disqualify you from donating.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Asthma \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Birth Control\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Outcome:** accept\n\n> Individuals on oral contraceptives or using other forms of birth control are eligible to donate.\n\nSource: \n", "criterion": "Birth Control", "file": "american-red-cross-us-birth-control.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-birth-control", "outcome": "accept", "source_quote": "Individuals on oral contraceptives or using other forms of birth control are eligible to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Birth Control \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Bleeding Condition\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if your blood does not clot normally\n\n**Outcome:** permanent exclusion\n\n> Bleeding Condition If you have a history of bleeding problems, you will be asked additional questions. If your blood does not clot normally, you can not donate since you may have excessive bleeding where the needle was placed.\n\nSource: \n", "condition": "if your blood does not clot normally", "criterion": "Bleeding Condition", "file": "american-red-cross-us-bleeding-condition.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-bleeding-condition", "outcome": "permanent exclusion", "source_quote": "Bleeding Condition If you have a history of bleeding problems, you will be asked additional questions. If your blood does not clot normally, you can not donate since you may have excessive bleeding where the needle was placed.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Bleeding Condition \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Blood Pressure, High\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as blood pressure is no higher than 180/100\n\n**Outcome:** accept\n\n> Acceptable as long as you feel well when you come to donate, and your blood pressure is no higher than 180/100 (systolic/diastolic). Medications for high blood pressure do not disqualify you from donating.\n\nSource: \n", "condition": "as long as blood pressure is no higher than 180/100", "criterion": "Blood Pressure, High", "file": "american-red-cross-us-blood-pressure-high.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-blood-pressure-high", "outcome": "accept", "source_quote": "Acceptable as long as you feel well when you come to donate, and your blood pressure is no higher than 180/100 (systolic/diastolic). Medications for high blood pressure do not disqualify you from donating.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Blood Pressure, High \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Blood Pressure, Low\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as blood pressure is at least 90/50\n\n**Outcome:** accept\n\n> Acceptable as long as you feel well when you come to donate, and your blood pressure is at least 90/50 (systolic/diastolic).\n\nSource: \n", "condition": "as long as blood pressure is at least 90/50", "criterion": "Blood Pressure, Low", "file": "american-red-cross-us-blood-pressure-low.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-blood-pressure-low", "outcome": "accept", "source_quote": "Acceptable as long as you feel well when you come to donate, and your blood pressure is at least 90/50 (systolic/diastolic).", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Blood Pressure, Low \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Blood Transfusion\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after receiving a blood transfusion from another person\n\n**Outcome:** temporary deferral\n\n> Wait for 3 months after receiving a blood transfusion from another person.\n\nSource: \n", "condition": "after receiving a blood transfusion from another person", "criterion": "Blood Transfusion", "file": "american-red-cross-us-blood-transfusion.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-blood-transfusion", "outcome": "temporary deferral", "source_quote": "Wait for 3 months after receiving a blood transfusion from another person.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Blood Transfusion \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Cancer\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 12 months\n\n**Condition:** since treatment was completed and no cancer recurrence; leukemia or lymphoma including Hodgkin's Disease are permanent exclusion\n\n**Outcome:** temporary deferral\n\n> Cancer Eligibility depends on the type of cancer and treatment history. If you had leukemia or lymphoma, including Hodgkin\u2019s Disease and other cancers of the blood, you are not eligible to donate. Other types of cancer are acceptable if the cancer has been treated successfully and it has been more than 12 months since treatment was completed and there has been no cancer recurrence in this time.\n\nSource: \n", "condition": "since treatment was completed and no cancer recurrence; leukemia or lymphoma including Hodgkin's Disease are permanent exclusion", "criterion": "Cancer", "file": "american-red-cross-us-cancer.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-cancer", "outcome": "temporary deferral", "source_quote": "Cancer Eligibility depends on the type of cancer and treatment history. If you had leukemia or lymphoma, including Hodgkin\u2019s Disease and other cancers of the blood, you are not eligible to donate. Other types of cancer are acceptable if the cancer has been treated successfully and it has been more than 12 months since treatment was completed and there has been no cancer recurrence in this time.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Cancer \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "12 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Chronic Illnesses\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as you feel well, the condition is under control, and you meet all other eligibility requirements\n\n**Outcome:** accept\n\n> Most chronic illnesses are acceptable as long as you feel well, the condition is under control, and you meet all other eligibility requirements.\n\nSource: \n", "condition": "as long as you feel well, the condition is under control, and you meet all other eligibility requirements", "criterion": "Chronic Illnesses", "file": "american-red-cross-us-chronic-illnesses.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-chronic-illnesses", "outcome": "accept", "source_quote": "Most chronic illnesses are acceptable as long as you feel well, the condition is under control, and you meet all other eligibility requirements.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Chronic Illnesses \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Cold, Flu\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** until symptoms resolve\n\n**Condition:** wait if you have a fever or a productive cough; wait until you have completed antibiotic treatment for sinus, throat or lung infection\n\n**Outcome:** temporary deferral\n\n> Wait if you have a fever or a productive cough (bringing up phlegm). Wait if you do not feel well on the day of donation. Wait until you have completed antibiotic treatment for sinus, throat or lung infection.\n\nSource: \n", "condition": "wait if you have a fever or a productive cough; wait until you have completed antibiotic treatment for sinus, throat or lung infection", "criterion": "Cold, Flu", "file": "american-red-cross-us-cold-flu.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-cold-flu", "outcome": "temporary deferral", "source_quote": "Wait if you have a fever or a productive cough (bringing up phlegm). Wait if you do not feel well on the day of donation. Wait until you have completed antibiotic treatment for sinus, throat or lung infection.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Cold, Flu \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "until symptoms resolve"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Creutzfeldt-Jakob Disease (CJD)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if diagnosed with vCJD, CJD or any other TSE, or received a dura mater transplant, or received cadaveric pituitary hGH before 1985\n\n**Outcome:** permanent exclusion\n\n> If you ever received a dura mater (brain covering) transplant you are not eligible to donate.\n\nSource: \n", "condition": "if diagnosed with vCJD, CJD or any other TSE, or received a dura mater transplant, or received cadaveric pituitary hGH before 1985", "criterion": "Creutzfeldt-Jakob Disease (CJD)", "file": "american-red-cross-us-creutzfeldt-jakob-disease-cjd.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-creutzfeldt-jakob-disease-cjd", "outcome": "permanent exclusion", "source_quote": "If you ever received a dura mater (brain covering) transplant you are not eligible to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Creutzfeldt-Jakob Disease (CJD) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Dental Procedures and Oral Surgery\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 days\n\n**Condition:** after having oral surgery; acceptable after dental procedures as long as there is no infection present\n\n**Outcome:** temporary deferral\n\n> Acceptable after dental procedures as long as there is no infection present. Wait until finishing antibiotics for a dental infection. Wait for 3 days after having oral surgery.\n\nSource: \n", "condition": "after having oral surgery; acceptable after dental procedures as long as there is no infection present", "criterion": "Dental Procedures and Oral Surgery", "file": "american-red-cross-us-dental-procedures-and-oral-surgery.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-dental-procedures-and-oral-surgery", "outcome": "temporary deferral", "source_quote": "Acceptable after dental procedures as long as there is no infection present. Wait until finishing antibiotics for a dental infection. Wait for 3 days after having oral surgery.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Dental Procedures and Oral Surgery \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "3 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Diabetes, Prediabetes\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** if feeling well on the day of donation\n\n**Outcome:** accept\n\n> People with diabetes or prediabetes are generally eligible to donate if they are feeling well on the day of their donation. In most situations, the type of medication a donor takes to manage their diabetes or prediabetes does not disqualify them from donating blood.\n\nSource: \n", "condition": "if feeling well on the day of donation", "criterion": "Diabetes, Prediabetes", "file": "american-red-cross-us-diabetes-prediabetes.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-diabetes-prediabetes", "outcome": "accept", "source_quote": "People with diabetes or prediabetes are generally eligible to donate if they are feeling well on the day of their donation. In most situations, the type of medication a donor takes to manage their diabetes or prediabetes does not disqualify them from donating blood.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Diabetes, Prediabetes \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Donation Intervals\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 8 weeks\n\n**Condition:** between whole blood (standard) donations; 7 days between platelet donations; 16 weeks between Power Red donations\n\n**Outcome:** temporary deferral\n\n> Wait at least 8 weeks between whole blood (standard) donations. Wait at least 7 days between platelet (pheresis) donations. Wait at least 16 weeks between Power Red (automated) donations.\n\nSource: \n", "condition": "between whole blood (standard) donations; 7 days between platelet donations; 16 weeks between Power Red donations", "criterion": "Donation Intervals", "file": "american-red-cross-us-donation-intervals.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-donation-intervals", "outcome": "temporary deferral", "source_quote": "Wait at least 8 weeks between whole blood (standard) donations. Wait at least 7 days between platelet (pheresis) donations. Wait at least 16 weeks between Power Red (automated) donations.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Donation Intervals \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "8 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Ebola Disease (Diagnosis or Exposure)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if you have ever had Ebola disease; 8 weeks after travel to a country with an Ebola outbreak or after exposure\n\n**Outcome:** permanent exclusion\n\n> You are not eligible to donate if you have ever had Ebola disease.\n\nSource: \n", "condition": "if you have ever had Ebola disease; 8 weeks after travel to a country with an Ebola outbreak or after exposure", "criterion": "Ebola Disease (Diagnosis or Exposure)", "file": "american-red-cross-us-ebola-disease-diagnosis-or-exposure.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-ebola-disease-diagnosis-or-exposure", "outcome": "permanent exclusion", "source_quote": "You are not eligible to donate if you have ever had Ebola disease.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Ebola Disease (Diagnosis or Exposure) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Heart Disease\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 6 months\n\n**Condition:** following an episode of angina, a heart attack, bypass surgery or angioplasty, or a change in heart condition resulting in a medication change\n\n**Outcome:** temporary deferral\n\n> In general, acceptable as long as you have been medically evaluated and treated, have no current (within the last 6 months) heart related symptoms such as chest pain and have no limitations or restrictions on your normal daily activities. Wait at least 6 months following an episode of angina. Wait at least 6 months following a heart attack. Wait at least 6 months after bypass surgery or angioplasty.\n\nSource: \n", "condition": "following an episode of angina, a heart attack, bypass surgery or angioplasty, or a change in heart condition resulting in a medication change", "criterion": "Heart Disease", "file": "american-red-cross-us-heart-disease.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-heart-disease", "outcome": "temporary deferral", "source_quote": "In general, acceptable as long as you have been medically evaluated and treated, have no current (within the last 6 months) heart related symptoms such as chest pain and have no limitations or restrictions on your normal daily activities. Wait at least 6 months following an episode of angina. Wait at least 6 months following a heart attack. Wait at least 6 months after bypass surgery or angioplasty.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Heart Disease \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion", "verified": false, "waiting_period": "6 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Heart Murmur, Heart Valve Disorder\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as you have been medically evaluated and treated and have not had symptoms in the last 6 months\n\n**Outcome:** accept\n\n> Acceptable if you have a heart murmur as long as you have been medically evaluated and treated and have not had symptoms in the last 6 months and have no restrictions on your normal daily activities.\n\nSource: \n", "condition": "as long as you have been medically evaluated and treated and have not had symptoms in the last 6 months", "criterion": "Heart Murmur, Heart Valve Disorder", "file": "american-red-cross-us-heart-murmur-heart-valve-disorder.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-heart-murmur-heart-valve-disorder", "outcome": "accept", "source_quote": "Acceptable if you have a heart murmur as long as you have been medically evaluated and treated and have not had symptoms in the last 6 months and have no restrictions on your normal daily activities.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Heart Murmur, Heart Valve Disorder \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hemochromatosis (Hereditary)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** if you meet all eligibility criteria and donation intervals\n\n**Outcome:** accept\n\n> Acceptable if you meet all eligibility criteria and donation intervals.\n\nSource: \n", "condition": "if you meet all eligibility criteria and donation intervals", "criterion": "Hemochromatosis (Hereditary)", "file": "american-red-cross-us-hemochromatosis-hereditary.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hemochromatosis-hereditary", "outcome": "accept", "source_quote": "Acceptable if you meet all eligibility criteria and donation intervals.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hemochromatosis (Hereditary) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hemoglobin, Hematocrit, Blood Count\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** hemoglobin at least 12.5 g/dL for women, 13.0 g/dL for men\n\n**Condition:** hemoglobin level can be no greater than 20 g/dL; 13.3 g/dL required for Power Reds regardless of gender\n\n**Outcome:** temporary deferral\n\n> In order to donate blood, a woman must have a hemoglobin level of at least 12.5 g/dL, and a man must have a hemoglobin level of at least 13.0 g/dL. For all donors, the hemoglobin level can be no greater than 20 g/dL. A hemoglobin level of 13.3 g/dL is required to donate Power Reds regardless of gender.\n\nSource: \n", "condition": "hemoglobin level can be no greater than 20 g/dL; 13.3 g/dL required for Power Reds regardless of gender", "criterion": "Hemoglobin, Hematocrit, Blood Count", "file": "american-red-cross-us-hemoglobin-hematocrit-blood-count.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hemoglobin-hematocrit-blood-count", "outcome": "temporary deferral", "source_quote": "In order to donate blood, a woman must have a hemoglobin level of at least 12.5 g/dL, and a man must have a hemoglobin level of at least 13.0 g/dL. For all donors, the hemoglobin level can be no greater than 20 g/dL. A hemoglobin level of 13.3 g/dL is required to donate Power Reds regardless of gender.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hemoglobin, Hematocrit, Blood Count \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, outcome", "verified": false, "waiting_period": "hemoglobin at least 12.5 g/dL for women, 13.0 g/dL for men"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hepatitis Exposure\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** if you live with or have had sexual contact with a person who has hepatitis, wait 3 months after the last contact\n\n**Outcome:** temporary deferral\n\n> If you live with or have had sexual contact with a person who has hepatitis, you must wait 3 months after the last contact.\n\nSource: \n", "condition": "if you live with or have had sexual contact with a person who has hepatitis, wait 3 months after the last contact", "criterion": "Hepatitis Exposure", "file": "american-red-cross-us-hepatitis-exposure.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hepatitis-exposure", "outcome": "temporary deferral", "source_quote": "If you live with or have had sexual contact with a person who has hepatitis, you must wait 3 months after the last contact.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hepatitis Exposure \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hepatitis, Jaundice\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if you ever tested positive for hepatitis B or hepatitis C, at any age\n\n**Outcome:** permanent exclusion\n\n> If you ever tested positive for hepatitis B or hepatitis C, at any age, you are not eligible to donate, even if you were never sick or jaundiced from the infection.\n\nSource: \n", "condition": "if you ever tested positive for hepatitis B or hepatitis C, at any age", "criterion": "Hepatitis, Jaundice", "file": "american-red-cross-us-hepatitis-jaundice.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hepatitis-jaundice", "outcome": "permanent exclusion", "source_quote": "If you ever tested positive for hepatitis B or hepatitis C, at any age, you are not eligible to donate, even if you were never sick or jaundiced from the infection.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hepatitis, Jaundice \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hidradenitis Suppurativa\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if you have ever had Hidradenitis suppurativa\n\n**Outcome:** permanent exclusion\n\n> You are not eligible to donate if you have ever had Hidradenitis suppurativa.\n\nSource: \n", "condition": "if you have ever had Hidradenitis suppurativa", "criterion": "Hidradenitis Suppurativa", "file": "american-red-cross-us-hidradenitis-suppurativa.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hidradenitis-suppurativa", "outcome": "permanent exclusion", "source_quote": "You are not eligible to donate if you have ever had Hidradenitis suppurativa.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hidradenitis Suppurativa \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** HIV, AIDS\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** if you have AIDS or have ever had a positive test for HIV infection; 3 months after last dose of oral PrEP/PEP; 2 years after last injection of PrEP/PEP\n\n**Outcome:** permanent exclusion\n\n> Do not give blood if you have AIDS or have ever had a positive test for HIV infection, or if you have done something that puts you at risk for becoming infected with HIV.\n\nSource: \n", "condition": "if you have AIDS or have ever had a positive test for HIV infection; 3 months after last dose of oral PrEP/PEP; 2 years after last injection of PrEP/PEP", "criterion": "HIV, AIDS", "file": "american-red-cross-us-hiv-aids.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hiv-aids", "outcome": "permanent exclusion", "source_quote": "Do not give blood if you have AIDS or have ever had a positive test for HIV infection, or if you have done something that puts you at risk for becoming infected with HIV.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "HIV, AIDS \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Hormone Replacement Therapy (HRT)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Outcome:** accept\n\n> Women on hormone replacement therapy for menopausal symptoms and prevention of osteoporosis are eligible to donate.\n\nSource: \n", "criterion": "Hormone Replacement Therapy (HRT)", "file": "american-red-cross-us-hormone-replacement-therapy-hrt.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-hormone-replacement-therapy-hrt", "outcome": "accept", "source_quote": "Women on hormone replacement therapy for menopausal symptoms and prevention of osteoporosis are eligible to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Hormone Replacement Therapy (HRT) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Immunization, Vaccination\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 4 weeks\n\n**Condition:** after immunizations for Measles, MMR, MMRV, Chicken Pox and Zostavax; 2 weeks after Mumps, Polio (by mouth), and Yellow Fever; no waiting period for influenza, RSV, pneumonia, tetanus, meningitis, HPV, SHINGRIX, or non-replicating COVID-19 vaccines\n\n**Outcome:** temporary deferral\n\n> Wait 4 weeks after immunizations for Measles, MMR (Measles, Mumps and Rubella), MMRV (measles, mumps, rubella, varicella), Chicken Pox and Zostavax, the live shingles vaccine. Wait 2 weeks after immunizations for Mumps, Polio (by mouth), and Yellow Fever vaccine.\n\nSource: \n", "condition": "after immunizations for Measles, MMR, MMRV, Chicken Pox and Zostavax; 2 weeks after Mumps, Polio (by mouth), and Yellow Fever; no waiting period for influenza, RSV, pneumonia, tetanus, meningitis, HPV, SHINGRIX, or non-replicating COVID-19 vaccines", "criterion": "Immunization, Vaccination", "file": "american-red-cross-us-immunization-vaccination.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-immunization-vaccination", "outcome": "temporary deferral", "source_quote": "Wait 4 weeks after immunizations for Measles, MMR (Measles, Mumps and Rubella), MMRV (measles, mumps, rubella, varicella), Chicken Pox and Zostavax, the live shingles vaccine. Wait 2 weeks after immunizations for Mumps, Polio (by mouth), and Yellow Fever vaccine.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Immunization, Vaccination \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Infections\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** until infection has resolved\n\n**Condition:** wait until finished taking oral antibiotics; wait 10 days after last antibiotic injection; Chagas Disease or Leishmaniasis are permanent exclusion\n\n**Outcome:** temporary deferral\n\n> If you have a fever or an active infection, wait until the infection has resolved completely before donating blood. Wait until finished taking oral antibiotics for an infection (bacterial or viral). Wait 10 days after the last antibiotic injection for an infection. Those who have had infections with Chagas Disease or Leishmaniasis are not eligible to donate.\n\nSource: \n", "condition": "wait until finished taking oral antibiotics; wait 10 days after last antibiotic injection; Chagas Disease or Leishmaniasis are permanent exclusion", "criterion": "Infections", "file": "american-red-cross-us-infections.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-infections", "outcome": "temporary deferral", "source_quote": "If you have a fever or an active infection, wait until the infection has resolved completely before donating blood. Wait until finished taking oral antibiotics for an infection (bacterial or viral). Wait 10 days after the last antibiotic injection for an infection. Those who have had infections with Chagas Disease or Leishmaniasis are not eligible to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Infections \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "until infection has resolved"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Insulin\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as feeling well the day of donation\n\n**Outcome:** accept\n\n> Donors with diabetes who take any kind of insulin are eligible to donate as long as they are feeling well the day of their donation.\n\nSource: \n", "condition": "as long as feeling well the day of donation", "criterion": "Insulin", "file": "american-red-cross-us-insulin.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-insulin", "outcome": "accept", "source_quote": "Donors with diabetes who take any kind of insulin are eligible to donate as long as they are feeling well the day of their donation.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Insulin \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Intravenous Drug Use\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after using needles to inject drugs that were not prescribed by a physician\n\n**Outcome:** temporary deferral\n\n> Wait 3 months after using needles to inject drugs that were not prescribed by a physician. This requirement is related to concerns about hepatitis and HIV.\n\nSource: \n", "condition": "after using needles to inject drugs that were not prescribed by a physician", "criterion": "Intravenous Drug Use", "file": "american-red-cross-us-intravenous-drug-use.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-intravenous-drug-use", "outcome": "temporary deferral", "source_quote": "Wait 3 months after using needles to inject drugs that were not prescribed by a physician. This requirement is related to concerns about hepatitis and HIV.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Intravenous Drug Use \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Malaria\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after returning from a trip to an area where malaria is found; 3 years after completing treatment for malaria; 3 years after living more than 5 years in a malaria-risk country\n\n**Outcome:** temporary deferral\n\n> Wait 3 years after completing treatment for malaria. Wait 3 months after returning from a trip to an area where malaria is found. Wait 3 years after living more than 5 years in a country or countries where malaria is found.\n\nSource: \n", "condition": "after returning from a trip to an area where malaria is found; 3 years after completing treatment for malaria; 3 years after living more than 5 years in a malaria-risk country", "criterion": "Malaria", "file": "american-red-cross-us-malaria.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-malaria", "outcome": "temporary deferral", "source_quote": "Wait 3 years after completing treatment for malaria. Wait 3 months after returning from a trip to an area where malaria is found. Wait 3 years after living more than 5 years in a country or countries where malaria is found.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Malaria \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Measles Exposure\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 4 weeks\n\n**Condition:** if you have not been vaccinated or it has been less than 4 weeks since being vaccinated\n\n**Outcome:** temporary deferral\n\n> Acceptable if you are healthy and well and have been vaccinated for measles more than 4 weeks ago or were born before 1956. If you have not been vaccinated or it has been less than 4 weeks since being vaccinated, wait 4 weeks from the date of the vaccination or exposure before donating.\n\nSource: \n", "condition": "if you have not been vaccinated or it has been less than 4 weeks since being vaccinated", "criterion": "Measles Exposure", "file": "american-red-cross-us-measles-exposure.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-measles-exposure", "outcome": "temporary deferral", "source_quote": "Acceptable if you are healthy and well and have been vaccinated for measles more than 4 weeks ago or were born before 1956. If you have not been vaccinated or it has been less than 4 weeks since being vaccinated, wait 4 weeks from the date of the vaccination or exposure before donating.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Measles Exposure \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Medications\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 1 month\n\n**Condition:** after last dose of Accutane, Amnesteem, Absorica, Claravis, Myorisan, Sotret or Zenatane (isotretinoin), Proscar (finasteride), and Propecia (finasteride); 6 months for Avodart or Jalyn (dutasteride); 3 years for Soriatane (acitretin); 2 years for Arava, Erivedge, Odomzo, Aubagio; Tegison (etretinate) at any time is permanent exclusion\n\n**Outcome:** temporary deferral\n\n> Over-the-counter oral homeopathic medications, herbal remedies, and nutritional supplements are acceptable. There are a handful of drugs that are of special significance in blood donation. Persons on these drugs have waiting periods following their last dose before they can donate blood: Accutane, Amnesteem, Absorica, Claravis, Myorisan, Sotret or Zenatane (isotretinoin), Proscar (finasteride), and Propecia (finasteride) - wait 1 month from the last dose.\n\nSource: \n", "condition": "after last dose of Accutane, Amnesteem, Absorica, Claravis, Myorisan, Sotret or Zenatane (isotretinoin), Proscar (finasteride), and Propecia (finasteride); 6 months for Avodart or Jalyn (dutasteride); 3 years for Soriatane (acitretin); 2 years for Arava, Erivedge, Odomzo, Aubagio; Tegison (etretinate) at any time is permanent exclusion", "criterion": "Medications", "file": "american-red-cross-us-medications.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-medications", "outcome": "temporary deferral", "source_quote": "Over-the-counter oral homeopathic medications, herbal remedies, and nutritional supplements are acceptable. There are a handful of drugs that are of special significance in blood donation. Persons on these drugs have waiting periods following their last dose before they can donate blood: Accutane, Amnesteem, Absorica, Claravis, Myorisan, Sotret or Zenatane (isotretinoin), Proscar (finasteride), and Propecia (finasteride) - wait 1 month from the last dose.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Medications \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition", "verified": true, "waiting_period": "1 month"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Men Who Have Had Sex With Men (MSM)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** individual donor assessment regardless of gender or sexual orientation implemented Aug. 7, 2023\n\n**Outcome:** individual assessment\n\n> This change eliminated previous FDA eligibility criteria based on sexual orientation, which restricted sexually active gay and bisexual men from giving blood.\n\nSource: \n", "condition": "individual donor assessment regardless of gender or sexual orientation implemented Aug. 7, 2023", "criterion": "Men Who Have Had Sex With Men (MSM)", "file": "american-red-cross-us-men-who-have-had-sex-with-men-msm.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-men-who-have-had-sex-with-men-msm", "outcome": "individual assessment", "source_quote": "This change eliminated previous FDA eligibility criteria based on sexual orientation, which restricted sexually active gay and bisexual men from giving blood.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Men Who Have Had Sex With Men (MSM) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Monkeypox (exposure or diagnosis)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 21 days\n\n**Condition:** minimum, then contact the Red Cross to discuss eligibility\n\n**Outcome:** temporary deferral\n\n> Monkeypox infection or exposure, wait a minimum of 21 days, then contact the Red Cross Donor and Client Support Center at 1-866-236-3276 to discuss your particular situation to determine if you can donate.\n\nSource: \n", "condition": "minimum, then contact the Red Cross to discuss eligibility", "criterion": "Monkeypox (exposure or diagnosis)", "file": "american-red-cross-us-monkeypox-exposure-or-diagnosis.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-monkeypox-exposure-or-diagnosis", "outcome": "temporary deferral", "source_quote": "Monkeypox infection or exposure, wait a minimum of 21 days, then contact the Red Cross Donor and Client Support Center at 1-866-236-3276 to discuss your particular situation to determine if you can donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Monkeypox (exposure or diagnosis) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "21 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Organ/Tissue Transplants\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after receiving any type of organ transplant from another person; dura mater transplant or animal organ transplant is permanent exclusion\n\n**Outcome:** temporary deferral\n\n> Organ/Tissue Transplants Wait 3 months after receiving any type of organ transplant from another person.\n\nSource: \n", "condition": "after receiving any type of organ transplant from another person; dura mater transplant or animal organ transplant is permanent exclusion", "criterion": "Organ/Tissue Transplants", "file": "american-red-cross-us-organ-tissue-transplants.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-organ-tissue-transplants", "outcome": "temporary deferral", "source_quote": "Organ/Tissue Transplants Wait 3 months after receiving any type of organ transplant from another person.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Organ/Tissue Transplants \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Piercing (ears, body), Electrolysis\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** if a piercing was performed using a reusable gun or any reusable instrument; acceptable if single-use equipment and disposable\n\n**Outcome:** temporary deferral\n\n> Acceptable as long as the instruments used were single-use equipment and disposable (which means both the gun and the earring cassette were disposable). Wait 3 months if a piercing was performed using a reusable gun or any reusable instrument.\n\nSource: \n", "condition": "if a piercing was performed using a reusable gun or any reusable instrument; acceptable if single-use equipment and disposable", "criterion": "Piercing (ears, body), Electrolysis", "file": "american-red-cross-us-piercing-ears-body-electrolysis.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-piercing-ears-body-electrolysis", "outcome": "temporary deferral", "source_quote": "Acceptable as long as the instruments used were single-use equipment and disposable (which means both the gun and the earring cassette were disposable). Wait 3 months if a piercing was performed using a reusable gun or any reusable instrument.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Piercing (ears, body), Electrolysis \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Pregnancy, Nursing\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 6 weeks\n\n**Condition:** after giving birth; persons who are pregnant are not eligible to donate\n\n**Outcome:** temporary deferral\n\n> Persons who are pregnant are not eligible to donate. Wait 6 weeks after giving birth.\n\nSource: \n", "condition": "after giving birth; persons who are pregnant are not eligible to donate", "criterion": "Pregnancy, Nursing", "file": "american-red-cross-us-pregnancy-nursing.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-pregnancy-nursing", "outcome": "temporary deferral", "source_quote": "Persons who are pregnant are not eligible to donate. Wait 6 weeks after giving birth.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Pregnancy, Nursing \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "6 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Pulse (High or Low)\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** pulse between 50 and 100\n\n**Condition:** a pulse that is regular and less than 50 will require evaluation by the regional physician\n\n**Outcome:** temporary deferral\n\n> Acceptable as long as your pulse is no more than 100 and no less than 50. A pulse that is regular and less than 50 will require evaluation by the regional American Red Cross physician.\n\nSource: \n", "condition": "a pulse that is regular and less than 50 will require evaluation by the regional physician", "criterion": "Pulse (High or Low)", "file": "american-red-cross-us-pulse-high-or-low.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-pulse-high-or-low", "outcome": "temporary deferral", "source_quote": "Acceptable as long as your pulse is no more than 100 and no less than 50. A pulse that is regular and less than 50 will require evaluation by the regional American Red Cross physician.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Pulse (High or Low) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "pulse between 50 and 100"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Sexually Transmitted Disease\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after treatment for syphilis or gonorrhea; chlamydia, venereal warts (HPV), or genital herpes are not a cause for deferral\n\n**Outcome:** temporary deferral\n\n> Sexually Transmitted Disease Wait 3 months after treatment for syphilis or gonorrhea.\n\nSource: \n", "condition": "after treatment for syphilis or gonorrhea; chlamydia, venereal warts (HPV), or genital herpes are not a cause for deferral", "criterion": "Sexually Transmitted Disease", "file": "american-red-cross-us-sexually-transmitted-disease.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-sexually-transmitted-disease", "outcome": "temporary deferral", "source_quote": "Sexually Transmitted Disease Wait 3 months after treatment for syphilis or gonorrhea.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Sexually Transmitted Disease \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Sickle Cell\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** permanent exclusion\n\n**Condition:** for sickle cell disease; platelet and plasma donation acceptable with sickle cell trait\n\n**Outcome:** permanent exclusion\n\n> Those with sickle cell disease are not eligible to donate.\n\nSource: \n", "condition": "for sickle cell disease; platelet and plasma donation acceptable with sickle cell trait", "criterion": "Sickle Cell", "file": "american-red-cross-us-sickle-cell.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-sickle-cell", "outcome": "permanent exclusion", "source_quote": "Those with sickle cell disease are not eligible to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Sickle Cell \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, waiting_period", "verified": true, "waiting_period": "permanent exclusion"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Skin Disease, Rash, Acne\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** no waiting period\n\n**Condition:** as long as the skin over the vein to be used to collect blood is not affected; if the skin disease has become infected, wait until the infection has cleared\n\n**Outcome:** accept\n\n> Acceptable as long as the skin over the vein to be used to collect blood is not affected. If the skin disease has become infected, wait until the infection has cleared before donating. Taking antibiotics to control acne does not disqualify you from donating.\n\nSource: \n", "condition": "as long as the skin over the vein to be used to collect blood is not affected; if the skin disease has become infected, wait until the infection has cleared", "criterion": "Skin Disease, Rash, Acne", "file": "american-red-cross-us-skin-disease-rash-acne.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-skin-disease-rash-acne", "outcome": "accept", "source_quote": "Acceptable as long as the skin over the vein to be used to collect blood is not affected. If the skin disease has become infected, wait until the infection has cleared before donating. Taking antibiotics to control acne does not disqualify you from donating.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Skin Disease, Rash, Acne \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Surgery\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** individual assessment\n\n**Condition:** the underlying condition that precipitated the surgery requires evaluation; case by case basis\n\n**Outcome:** individual assessment\n\n> It is not necessarily surgery but the underlying condition that precipitated the surgery that requires evaluation before donation. Evaluation is on a case by case basis.\n\nSource: \n", "condition": "the underlying condition that precipitated the surgery requires evaluation; case by case basis", "criterion": "Surgery", "file": "american-red-cross-us-surgery.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-surgery", "outcome": "individual assessment", "source_quote": "It is not necessarily surgery but the underlying condition that precipitated the surgery that requires evaluation before donation. Evaluation is on a case by case basis.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Surgery \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "individual assessment"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Tattoo\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** if the tattoo was applied in a state that does not regulate tattoo facilities: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming\n\n**Outcome:** temporary deferral\n\n> Wait 3 months after a tattoo if the tattoo was applied in a state that does not regulate tattoo facilities. Currently, the only states that DO NOT regulate tattoo facilities are: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming.\n\nSource: \n", "condition": "if the tattoo was applied in a state that does not regulate tattoo facilities: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming", "criterion": "Tattoo", "file": "american-red-cross-us-tattoo.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-tattoo", "outcome": "temporary deferral", "source_quote": "Wait 3 months after a tattoo if the tattoo was applied in a state that does not regulate tattoo facilities. Currently, the only states that DO NOT regulate tattoo facilities are: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Tattoo \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Travel Outside of U.S., Immigration\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** 3 months\n\n**Condition:** after returning from a trip to an area where malaria is found; destinations reviewed at time of donation\n\n**Outcome:** temporary deferral\n\n> Tattoo Wait 3 months after a tattoo if the tattoo was applied in a state that does not regulate tattoo facilities. Currently, the only states that DO NOT regulate tattoo facilities are: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming. This requirement is related to concerns about hepatitis. Learn more about hepatitis and blood donation. A tattoo is acceptable if the tattoo was applied by a state-regulated entity using sterile needles and single-use ink. Cosmetic tattoos (including microblading of eyebrows only) applied in a licensed establishment in a regulated state using sterile needles and single-use ink is acceptable. Discuss your particular situation with the health historian at the time of donation. Travel Outside of U.S., Immigration You can be exposed to malaria through travel and travel in some areas can sometimes defer donors.\n\nSource: \n", "condition": "after returning from a trip to an area where malaria is found; destinations reviewed at time of donation", "criterion": "Travel Outside of U.S., Immigration", "file": "american-red-cross-us-travel-outside-of-u-s-immigration.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-travel-outside-of-u-s-immigration", "outcome": "temporary deferral", "source_quote": "Tattoo Wait 3 months after a tattoo if the tattoo was applied in a state that does not regulate tattoo facilities. Currently, the only states that DO NOT regulate tattoo facilities are: District of Columbia, Idaho, Maryland, Massachusetts, New Hampshire, New York, Pennsylvania and Wyoming. This requirement is related to concerns about hepatitis. Learn more about hepatitis and blood donation. A tattoo is acceptable if the tattoo was applied by a state-regulated entity using sterile needles and single-use ink. Cosmetic tattoos (including microblading of eyebrows only) applied in a licensed establishment in a regulated state using sterile needles and single-use ink is acceptable. Discuss your particular situation with the health historian at the time of donation. Travel Outside of U.S., Immigration You can be exposed to malaria through travel and travel in some areas can sometimes defer donors.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Travel Outside of U.S., Immigration \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Tuberculosis\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** until treatment is successfully completed\n\n**Condition:** if you have active tuberculosis or are being treated for active tuberculosis; acceptable if positive skin test but no active TB and not taking antibiotics\n\n**Outcome:** temporary deferral\n\n> If you have active tuberculosis or are being treated for active tuberculosis you can not donate. Acceptable if you have a positive skin test or blood test, but no active tuberculosis and are NOT taking antibiotics.\n\nSource: \n", "condition": "if you have active tuberculosis or are being treated for active tuberculosis; acceptable if positive skin test but no active TB and not taking antibiotics", "criterion": "Tuberculosis", "file": "american-red-cross-us-tuberculosis.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-tuberculosis", "outcome": "temporary deferral", "source_quote": "If you have active tuberculosis or are being treated for active tuberculosis you can not donate. Acceptable if you have a positive skin test or blood test, but no active tuberculosis and are NOT taking antibiotics.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Tuberculosis \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "until treatment is successfully completed"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Weight/Height\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** at least 110 lbs\n\n**Condition:** students who donate at high school drives and donors 18 years of age or younger must also meet additional height and weight requirements\n\n**Outcome:** temporary deferral\n\n> You must weigh at least 110 lbs to be eligible for blood donation for your own safety.\n\nSource: \n", "condition": "students who donate at high school drives and donors 18 years of age or younger must also meet additional height and weight requirements", "criterion": "Weight/Height", "file": "american-red-cross-us-weight-height.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-weight-height", "outcome": "temporary deferral", "source_quote": "You must weigh at least 110 lbs to be eligible for blood donation for your own safety.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Weight/Height \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion", "verified": false, "waiting_period": "at least 110 lbs"} {"asset": "blood-donor-deferral-criteria", "blood_service": "American Red Cross (US)", "body": "**Criterion:** Zika Virus\n\n**Blood service:** American Red Cross (US)\n\n**Waiting period:** more than 120 days\n\n**Condition:** after symptoms resolve, if diagnosed with Zika virus infection\n\n**Outcome:** temporary deferral\n\n> If you have been diagnosed with Zika virus infection, wait more than 120 days after your symptoms resolve to donate.\n\nSource: \n", "condition": "after symptoms resolve, if diagnosed with Zika virus infection", "criterion": "Zika Virus", "file": "american-red-cross-us-zika-virus.md", "generated": true, "harvested": "2026-08-06", "id": "american-red-cross-us-zika-virus", "outcome": "temporary deferral", "source_quote": "If you have been diagnosed with Zika virus infection, wait more than 120 days after your symptoms resolve to donate.", "sources": ["https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html"], "stale_after": "2027-02-02", "title": "Zika Virus \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "more than 120 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Age, gender and weight\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** at least 17 years old\n\n**Condition:** to become a blood donor in Canada you must be at least 17 years old and meet minimum height and weight requirements\n\n**Outcome:** temporary deferral\n\n> To become a blood donor in Canada you must be at least 17 years old and meet our minimum height and weight requirements.\n\nSource: \n", "condition": "to become a blood donor in Canada you must be at least 17 years old and meet minimum height and weight requirements", "criterion": "Age, gender and weight", "file": "canadian-blood-services-age-gender-and-weight.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-age-gender-and-weight", "outcome": "temporary deferral", "source_quote": "To become a blood donor in Canada you must be at least 17 years old and meet our minimum height and weight requirements.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Age, gender and weight \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, outcome", "verified": false, "waiting_period": "at least 17 years old"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Antibiotics\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** temporary deferral\n\n**Condition:** depending on the reason for taking antibiotics, you may be temporarily unable to donate; if taking antibiotics to treat an infection, you should not donate\n\n**Outcome:** temporary deferral\n\n> Depending on the reason for taking antibiotics, you may be temporarily unable to donate. For example, if you are taking antibiotics to treat an infection, you should not donate blood, platelets or plasma.\n\nSource: \n", "condition": "depending on the reason for taking antibiotics, you may be temporarily unable to donate; if taking antibiotics to treat an infection, you should not donate", "criterion": "Antibiotics", "file": "canadian-blood-services-antibiotics.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-antibiotics", "outcome": "temporary deferral", "source_quote": "Depending on the reason for taking antibiotics, you may be temporarily unable to donate. For example, if you are taking antibiotics to treat an infection, you should not donate blood, platelets or plasma.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Antibiotics \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "temporary deferral"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Birth control\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** no waiting period\n\n**Outcome:** accept\n\n> People taking birth control medication are eligible to donate.\n\nSource: \n", "criterion": "Birth control", "file": "canadian-blood-services-birth-control.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-birth-control", "outcome": "accept", "source_quote": "People taking birth control medication are eligible to donate.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Birth control \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Donation Intervals (Platelets)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 14 days\n\n**Condition:** between platelet donations; new platelet donors are encouraged to donate once a month\n\n**Outcome:** temporary deferral\n\n> To donate platelets , returning donors must wait: 14 days*\n\nSource: \n", "condition": "between platelet donations; new platelet donors are encouraged to donate once a month", "criterion": "Donation Intervals (Platelets)", "file": "canadian-blood-services-donation-intervals-platelets.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-donation-intervals-platelets", "outcome": "temporary deferral", "source_quote": "To donate platelets , returning donors must wait: 14 days*", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Donation Intervals (Platelets) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion", "verified": false, "waiting_period": "14 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Donation Intervals\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 56-84 days\n\n**Condition:** between blood donations; donors registered as male (56 days), donors registered as female (84 days)\n\n**Outcome:** temporary deferral\n\n> 56-84 days*\n\nSource: \n", "condition": "between blood donations; donors registered as male (56 days), donors registered as female (84 days)", "criterion": "Donation Intervals", "file": "canadian-blood-services-donation-intervals.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-donation-intervals", "outcome": "temporary deferral", "source_quote": "56-84 days*", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Donation Intervals \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "56-84 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Drugs and alcohol\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** must not be impaired at the time of donation\n\n**Condition:** so we can obtain informed consent\n\n**Outcome:** temporary deferral\n\n> Donors must not be impaired at the time of donation so we can obtain informed consent.\n\nSource: \n", "condition": "so we can obtain informed consent", "criterion": "Drugs and alcohol", "file": "canadian-blood-services-drugs-and-alcohol.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-drugs-and-alcohol", "outcome": "temporary deferral", "source_quote": "Donors must not be impaired at the time of donation so we can obtain informed consent.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Drugs and alcohol \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "must not be impaired at the time of donation"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Medications\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** no waiting period\n\n**Condition:** most medications do not prevent you from donating blood, plasma and platelets\n\n**Outcome:** accept\n\n> Most medications do not prevent you from donating blood, plasma and platelets.\n\nSource: \n", "condition": "most medications do not prevent you from donating blood, plasma and platelets", "criterion": "Medications", "file": "canadian-blood-services-medications.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-medications", "outcome": "accept", "source_quote": "Most medications do not prevent you from donating blood, plasma and platelets.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Medications \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Piercings and tattoos\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 months\n\n**Condition:** after getting a tattoo, piercing, microblading, or permanent makeup\n\n**Outcome:** temporary deferral\n\n> You are eligible to donate three months after getting a tattoo, piercing, microblading, or permanent makeup.\n\nSource: \n", "condition": "after getting a tattoo, piercing, microblading, or permanent makeup", "criterion": "Piercings and tattoos", "file": "canadian-blood-services-piercings-and-tattoos.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-piercings-and-tattoos", "outcome": "temporary deferral", "source_quote": "You are eligible to donate three months after getting a tattoo, piercing, microblading, or permanent makeup.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/piercings-tattoos"], "stale_after": "2027-02-02", "title": "Piercings and tattoos \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, waiting_period", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Platelet donation: Aspirin\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 72 hours\n\n**Condition:** platelet donors only, after last dose of Aspirin (ASA)\n\n**Outcome:** temporary deferral\n\n> Aspirin (ASA, acetylsalicylic acid) *72 hours\n\nSource: \n", "condition": "platelet donors only, after last dose of Aspirin (ASA)", "criterion": "Platelet donation: Aspirin", "file": "canadian-blood-services-platelet-donation-aspirin.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-platelet-donation-aspirin", "outcome": "temporary deferral", "source_quote": "Aspirin (ASA, acetylsalicylic acid) *72 hours", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Platelet donation: Aspirin \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "72 hours"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Platelet donation: Plavix (Clopidogrel)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 14 days\n\n**Condition:** platelet donors only, after last dose\n\n**Outcome:** temporary deferral\n\n> Plavix (Clopidogrel) *14 days\n\nSource: \n", "condition": "platelet donors only, after last dose", "criterion": "Platelet donation: Plavix (Clopidogrel)", "file": "canadian-blood-services-platelet-donation-plavix-clopidogrel.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-platelet-donation-plavix-clopidogrel", "outcome": "temporary deferral", "source_quote": "Plavix (Clopidogrel) *14 days", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Platelet donation: Plavix (Clopidogrel) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "14 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Pre-exposure prophylaxis (PrEP)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 months\n\n**Condition:** after stopping oral PrEP; 2 years after stopping injectable PrEP\n\n**Outcome:** temporary deferral\n\n> If you are taking pre-exposure prophylaxis (PrEP) medication to prevent an HIV infection, you are not able to donate. If you stop taking PrEP you must wait four months if you were taking oral PrEP before you can donate and must wait two years if you were taking injectable PrEP before you can donate.\n\nSource: \n", "condition": "after stopping oral PrEP; 2 years after stopping injectable PrEP", "criterion": "Pre-exposure prophylaxis (PrEP)", "file": "canadian-blood-services-pre-exposure-prophylaxis-prep.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-pre-exposure-prophylaxis-prep", "outcome": "temporary deferral", "source_quote": "If you are taking pre-exposure prophylaxis (PrEP) medication to prevent an HIV infection, you are not able to donate. If you stop taking PrEP you must wait four months if you were taking oral PrEP before you can donate and must wait two years if you were taking injectable PrEP before you can donate.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Pre-exposure prophylaxis (PrEP) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "4 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Pregnancy\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 6 months\n\n**Condition:** after childbirth; while pregnant donors are not eligible\n\n**Outcome:** temporary deferral\n\n> While pregnant, and for six months after childbirth, donors are not eligible to donate.\n\nSource: \n", "condition": "after childbirth; while pregnant donors are not eligible", "criterion": "Pregnancy", "file": "canadian-blood-services-pregnancy.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-pregnancy", "outcome": "temporary deferral", "source_quote": "While pregnant, and for six months after childbirth, donors are not eligible to donate.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Pregnancy \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, waiting_period", "verified": false, "waiting_period": "6 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Sexual behaviour\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 months\n\n**Condition:** after anal sex with a new partner or multiple sexual partners\n\n**Outcome:** temporary deferral\n\n> All donors are asked about sexual behaviour. Donors must wait three months after anal sex with a new partner or multiple sexual partners.\n\nSource: \n", "condition": "after anal sex with a new partner or multiple sexual partners", "criterion": "Sexual behaviour", "file": "canadian-blood-services-sexual-behaviour.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-sexual-behaviour", "outcome": "temporary deferral", "source_quote": "All donors are asked about sexual behaviour. Donors must wait three months after anal sex with a new partner or multiple sexual partners.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility"], "stale_after": "2027-02-02", "title": "Sexual behaviour \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "waiting_period", "verified": true, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Travel and living abroad\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 21 days\n\n**Condition:** after return from travel outside of Canada, the U.S., Europe or Antarctica\n\n**Outcome:** temporary deferral\n\n> after return from travel outside of Canada, the U.S., Europe or Antarctica there is a waiting period of 21 days before donating blood, platelets or transfusable plasma.\n\nSource: \n", "condition": "after return from travel outside of Canada, the U.S., Europe or Antarctica", "criterion": "Travel and living abroad", "file": "canadian-blood-services-travel-and-living-abroad.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-travel-and-living-abroad", "outcome": "temporary deferral", "source_quote": "after return from travel outside of Canada, the U.S., Europe or Antarctica there is a waiting period of 21 days before donating blood, platelets or transfusable plasma.", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/travel-living-abroad"], "stale_after": "2027-02-02", "title": "Travel and living abroad \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion", "verified": false, "waiting_period": "21 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Travel (malaria risk, 24 hours or less)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 21 days\n\n**Condition:** if you have spent 24 hours or less in Mexico, Central America, South America or the Caribbean, and were in an area with a risk of malaria\n\n**Outcome:** temporary deferral\n\n> If you have spent 24 hours or less in Mexico, Central America, South America or the Caribbean\n\nSource: \n", "condition": "if you have spent 24 hours or less in Mexico, Central America, South America or the Caribbean, and were in an area with a risk of malaria", "criterion": "Travel (malaria risk, 24 hours or less)", "file": "canadian-blood-services-travel-malaria-risk-24-hours-or-less.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-travel-malaria-risk-24-hours-or-less", "outcome": "temporary deferral", "source_quote": "If you have spent 24 hours or less in Mexico, Central America, South America or the Caribbean", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/travel-living-abroad"], "stale_after": "2027-02-02", "title": "Travel (malaria risk, 24 hours or less) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome, waiting_period", "verified": false, "waiting_period": "21 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Travel (malaria risk, more than six months)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 years\n\n**Condition:** if you have spent more than six consecutive months in an area with a risk of malaria\n\n**Outcome:** temporary deferral\n\n> If you have spent more than six consecutive months\n\nSource: \n", "condition": "if you have spent more than six consecutive months in an area with a risk of malaria", "criterion": "Travel (malaria risk, more than six months)", "file": "canadian-blood-services-travel-malaria-risk-more-than-six-months.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-travel-malaria-risk-more-than-six-months", "outcome": "temporary deferral", "source_quote": "If you have spent more than six consecutive months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/travel-living-abroad"], "stale_after": "2027-02-02", "title": "Travel (malaria risk, more than six months) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome, waiting_period", "verified": false, "waiting_period": "3 years"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Travel (malaria risk, six months or less)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 months\n\n**Condition:** if you have spent six consecutive months or less in an area with a risk of malaria\n\n**Outcome:** temporary deferral\n\n> If you have spent six consecutive months or less\n\nSource: \n", "condition": "if you have spent six consecutive months or less in an area with a risk of malaria", "criterion": "Travel (malaria risk, six months or less)", "file": "canadian-blood-services-travel-malaria-risk-six-months-or-less.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-travel-malaria-risk-six-months-or-less", "outcome": "temporary deferral", "source_quote": "If you have spent six consecutive months or less", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/travel-living-abroad"], "stale_after": "2027-02-02", "title": "Travel (malaria risk, six months or less) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome, waiting_period", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Chicken Pox (varicella)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 months\n\n**Condition:** after vaccination with ProQuad, Varilrix, Varivax III\n\n**Outcome:** temporary deferral\n\n> Chicken Pox (varicella) | ProQuad, Varilrix, Varivax III | 3 months\n\nSource: \n", "condition": "after vaccination with ProQuad, Varilrix, Varivax III", "criterion": "Vaccination: Chicken Pox (varicella)", "file": "canadian-blood-services-vaccination-chicken-pox-varicella.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-chicken-pox-varicella", "outcome": "temporary deferral", "source_quote": "Chicken Pox (varicella) | ProQuad, Varilrix, Varivax III | 3 months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Chicken Pox (varicella) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Chikungunya\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after vaccination with Ixchiq\n\n**Outcome:** temporary deferral\n\n> Chikungunya | Ixchiq | 4 weeks\n\nSource: \n", "condition": "after vaccination with Ixchiq", "criterion": "Vaccination: Chikungunya", "file": "canadian-blood-services-vaccination-chikungunya.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-chikungunya", "outcome": "temporary deferral", "source_quote": "Chikungunya | Ixchiq | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Chikungunya \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Coronavirus (COVID-19)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** no waiting period\n\n**Condition:** COVID-19 vaccines given in Canada\n\n**Outcome:** accept\n\n> Coronavirus (COVID-19) | COVID-19 vaccines given in Canada | None\n\nSource: \n", "condition": "COVID-19 vaccines given in Canada", "criterion": "Vaccination: Coronavirus (COVID-19)", "file": "canadian-blood-services-vaccination-coronavirus-covid-19.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-coronavirus-covid-19", "outcome": "accept", "source_quote": "Coronavirus (COVID-19) | COVID-19 vaccines given in Canada | None", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Coronavirus (COVID-19) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, outcome, waiting_period", "verified": false, "waiting_period": "no waiting period"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Hepatitis A and Hepatitis B\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after vaccination with Twinrix\n\n**Outcome:** temporary deferral\n\n> Hepatitis A and Hepatitis B | Twinrix | 4 weeks\n\nSource: \n", "condition": "after vaccination with Twinrix", "criterion": "Vaccination: Hepatitis A and Hepatitis B", "file": "canadian-blood-services-vaccination-hepatitis-a-and-hepatitis-b.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-hepatitis-a-and-hepatitis-b", "outcome": "temporary deferral", "source_quote": "Hepatitis A and Hepatitis B | Twinrix | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Hepatitis A and Hepatitis B \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Hepatitis A immune globulin\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 6 months\n\n**Condition:** after Hepatitis A immune globulin\n\n**Outcome:** temporary deferral\n\n> Hepatitis A immune globulin | 6 months\n\nSource: \n", "condition": "after Hepatitis A immune globulin", "criterion": "Vaccination: Hepatitis A immune globulin", "file": "canadian-blood-services-vaccination-hepatitis-a-immune-globulin.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-hepatitis-a-immune-globulin", "outcome": "temporary deferral", "source_quote": "Hepatitis A immune globulin | 6 months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Hepatitis A immune globulin \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "6 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Hepatitis A\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 7 days\n\n**Condition:** after vaccination with Avaxim, Havrix, Vaqta; 6 months after Hepatitis A immune globulin\n\n**Outcome:** temporary deferral\n\n> Hepatitis A | Avaxim, Havrix, Vaqta | 7 days\n\nSource: \n", "condition": "after vaccination with Avaxim, Havrix, Vaqta; 6 months after Hepatitis A immune globulin", "criterion": "Vaccination: Hepatitis A", "file": "canadian-blood-services-vaccination-hepatitis-a.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-hepatitis-a", "outcome": "temporary deferral", "source_quote": "Hepatitis A | Avaxim, Havrix, Vaqta | 7 days", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Hepatitis A \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "7 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Hepatitis B immune globulin\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 12 months\n\n**Condition:** after Hyper HEP B, HepaGam (Hepatitis B immune globulin)\n\n**Outcome:** temporary deferral\n\n> Hyper HEP B, HepaGam (Hepatitis B immune globulin) | 12 months\n\nSource: \n", "condition": "after Hyper HEP B, HepaGam (Hepatitis B immune globulin)", "criterion": "Vaccination: Hepatitis B immune globulin", "file": "canadian-blood-services-vaccination-hepatitis-b-immune-globulin.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-hepatitis-b-immune-globulin", "outcome": "temporary deferral", "source_quote": "Hyper HEP B, HepaGam (Hepatitis B immune globulin) | 12 months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Hepatitis B immune globulin \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "12 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Hepatitis B\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after vaccination with Engerix B, Recombivax-HB; 12 months after Hepatitis B immune globulin\n\n**Outcome:** temporary deferral\n\n> Hepatitis B | Engerix B, Recombivax\u2013HB | 4 weeks\n\nSource: \n", "condition": "after vaccination with Engerix B, Recombivax-HB; 12 months after Hepatitis B immune globulin", "criterion": "Vaccination: Hepatitis B", "file": "canadian-blood-services-vaccination-hepatitis-b.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-hepatitis-b", "outcome": "temporary deferral", "source_quote": "Hepatitis B | Engerix B, Recombivax\u2013HB | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Hepatitis B \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Japanese encephalitis\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 weeks\n\n**Condition:** after vaccination with Ixiaro\n\n**Outcome:** temporary deferral\n\n> Japanese encephalitis | Ixiaro | 3 weeks\n\nSource: \n", "condition": "after vaccination with Ixiaro", "criterion": "Vaccination: Japanese encephalitis", "file": "canadian-blood-services-vaccination-japanese-encephalitis.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-japanese-encephalitis", "outcome": "temporary deferral", "source_quote": "Japanese encephalitis | Ixiaro | 3 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Japanese encephalitis \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "3 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Measles, Mumps, Rubella, varicella\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 3 months\n\n**Condition:** after vaccination with MMRV, Priorix Tetra, ProQuad\n\n**Outcome:** temporary deferral\n\n> Measles, Mumps, Rubella, varicella | MMRV, Priorix Tetra, ProQuad | 3 months\n\nSource: \n", "condition": "after vaccination with MMRV, Priorix Tetra, ProQuad", "criterion": "Vaccination: Measles, Mumps, Rubella, varicella", "file": "canadian-blood-services-vaccination-measles-mumps-rubella-varicella.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-measles-mumps-rubella-varicella", "outcome": "temporary deferral", "source_quote": "Measles, Mumps, Rubella, varicella | MMRV, Priorix Tetra, ProQuad | 3 months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Measles, Mumps, Rubella, varicella \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "3 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Measles, Mumps, Rubella\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after vaccination with MMR II, Priorix\n\n**Outcome:** temporary deferral\n\n> Measles, Mumps, Rubella | MMR II, Priorix | 4 weeks\n\nSource: \n", "condition": "after vaccination with MMR II, Priorix", "criterion": "Vaccination: Measles, Mumps, Rubella", "file": "canadian-blood-services-vaccination-measles-mumps-rubella.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-measles-mumps-rubella", "outcome": "temporary deferral", "source_quote": "Measles, Mumps, Rubella | MMR II, Priorix | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Measles, Mumps, Rubella \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Polio (oral)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 6 weeks\n\n**Condition:** after Sabin oral polio vaccine; no waiting period for Salk injection\n\n**Outcome:** temporary deferral\n\n> Polio | Sabin oral polio vaccine (oral) | 6 weeks\n\nSource: \n", "condition": "after Sabin oral polio vaccine; no waiting period for Salk injection", "criterion": "Vaccination: Polio (oral)", "file": "canadian-blood-services-vaccination-polio-oral.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-polio-oral", "outcome": "temporary deferral", "source_quote": "Polio | Sabin oral polio vaccine (oral) | 6 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Polio (oral) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "6 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Rabies (post-exposure with immune globulin)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 12 months\n\n**Condition:** after Rabies Immune Globulin - HyperRAB, Imogam rabies, Kamrab\n\n**Outcome:** temporary deferral\n\n> Rabies Immune Globulin - HyperRAB, Imogam rabies, Kamrab | 12 months\n\nSource: \n", "condition": "after Rabies Immune Globulin - HyperRAB, Imogam rabies, Kamrab", "criterion": "Vaccination: Rabies (post-exposure with immune globulin)", "file": "canadian-blood-services-vaccination-rabies-post-exposure-with-immune-globulin.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-rabies-post-exposure-with-immune-globulin", "outcome": "temporary deferral", "source_quote": "Rabies Immune Globulin - HyperRAB, Imogam rabies, Kamrab | 12 months", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Rabies (post-exposure with immune globulin) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "12 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Typhoid (oral)\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after Vivotif (oral); no waiting period for Typhim Vi\n\n**Outcome:** temporary deferral\n\n> Typhoid | Vivotif (oral) | 4 weeks\n\nSource: \n", "condition": "after Vivotif (oral); no waiting period for Typhim Vi", "criterion": "Vaccination: Typhoid (oral)", "file": "canadian-blood-services-vaccination-typhoid-oral.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-typhoid-oral", "outcome": "temporary deferral", "source_quote": "Typhoid | Vivotif (oral) | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Typhoid (oral) \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Canadian Blood Services", "body": "**Criterion:** Vaccination: Yellow Fever\n\n**Blood service:** Canadian Blood Services\n\n**Waiting period:** 4 weeks\n\n**Condition:** after YF-Vax\n\n**Outcome:** temporary deferral\n\n> Yellow Fever | YF-Vax | 4 weeks\n\nSource: \n", "condition": "after YF-Vax", "criterion": "Vaccination: Yellow Fever", "file": "canadian-blood-services-vaccination-yellow-fever.md", "generated": true, "harvested": "2026-08-06", "id": "canadian-blood-services-vaccination-yellow-fever", "outcome": "temporary deferral", "source_quote": "Yellow Fever | YF-Vax | 4 weeks", "sources": ["https://www.blood.ca/en/blood/am-i-eligible-donate-blood/eligibility/medications-vaccinations"], "stale_after": "2027-02-02", "title": "Vaccination: Yellow Fever \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "condition, criterion, outcome", "verified": false, "waiting_period": "4 weeks"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Irish Blood Transfusion Service", "body": "**Criterion:** Cold/Covid symptoms\n\n**Blood service:** Irish Blood Transfusion Service\n\n**Waiting period:** 7 days\n\n**Condition:** no cold/covid symptoms in last 7 days\n\n**Outcome:** temporary deferral\n\n> no cold/covid symptoms in last 7 days\n\nSource: \n", "condition": "no cold/covid symptoms in last 7 days", "criterion": "Cold/Covid symptoms", "file": "irish-blood-transfusion-service-cold-covid-symptoms.md", "generated": true, "harvested": "2026-08-06", "id": "irish-blood-transfusion-service-cold-covid-symptoms", "outcome": "temporary deferral", "source_quote": "no cold/covid symptoms in last 7 days", "sources": ["https://www.giveblood.ie/can-i-give-blood/"], "stale_after": "2027-02-02", "title": "Cold/Covid symptoms \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "outcome", "verified": true, "waiting_period": "7 days"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Irish Blood Transfusion Service", "body": "**Criterion:** Medical treatment\n\n**Blood service:** Irish Blood Transfusion Service\n\n**Waiting period:** 6 months\n\n**Condition:** had medical treatment in last 6 months\n\n**Outcome:** temporary deferral\n\n> Had medical treatment in last 6 months\n\nSource: \n", "condition": "had medical treatment in last 6 months", "criterion": "Medical treatment", "file": "irish-blood-transfusion-service-medical-treatment.md", "generated": true, "harvested": "2026-08-06", "id": "irish-blood-transfusion-service-medical-treatment", "outcome": "temporary deferral", "source_quote": "Had medical treatment in last 6 months", "sources": ["https://www.giveblood.ie/can-i-give-blood/"], "stale_after": "2027-02-02", "title": "Medical treatment \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "outcome", "verified": true, "waiting_period": "6 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Irish Blood Transfusion Service", "body": "**Criterion:** Tattoos/Piercing\n\n**Blood service:** Irish Blood Transfusion Service\n\n**Waiting period:** 4 months\n\n**Condition:** no tattoos/piercing in last 4 months\n\n**Outcome:** temporary deferral\n\n> no tattoos/piercing in last 4 months\n\nSource: \n", "condition": "no tattoos/piercing in last 4 months", "criterion": "Tattoos/Piercing", "file": "irish-blood-transfusion-service-tattoos-piercing.md", "generated": true, "harvested": "2026-08-06", "id": "irish-blood-transfusion-service-tattoos-piercing", "outcome": "temporary deferral", "source_quote": "no tattoos/piercing in last 4 months", "sources": ["https://www.giveblood.ie/can-i-give-blood/"], "stale_after": "2027-02-02", "title": "Tattoos/Piercing \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "verified": true, "waiting_period": "4 months"} {"asset": "blood-donor-deferral-criteria", "blood_service": "Irish Blood Transfusion Service", "body": "**Criterion:** Travel outside Ireland\n\n**Blood service:** Irish Blood Transfusion Service\n\n**Waiting period:** check guidelines\n\n**Condition:** You have been outside Ireland in last 12 months\n\n**Outcome:** individual assessment\n\n> You have been outside Ireland in last 12 months\n\nSource: \n", "condition": "You have been outside Ireland in last 12 months", "criterion": "Travel outside Ireland", "file": "irish-blood-transfusion-service-travel-outside-ireland.md", "generated": true, "harvested": "2026-08-06", "id": "irish-blood-transfusion-service-travel-outside-ireland", "outcome": "individual assessment", "source_quote": "You have been outside Ireland in last 12 months", "sources": ["https://www.giveblood.ie/can-i-give-blood/"], "stale_after": "2027-02-02", "title": "Travel outside Ireland \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, outcome, waiting_period", "verified": false, "waiting_period": "check guidelines"} {"asset": "blood-donor-deferral-criteria", "blood_service": "JPAC / UK Blood and Tissue Services", "body": "**Criterion:** Age\n\n**Blood service:** JPAC / UK Blood and Tissue Services\n\n**Waiting period:** under 17 years of age\n\n**Condition:** They are under 17 years of age\n\n**Outcome:** temporary deferral\n\n**Guideline version:** WB-DSG Edition 203 Release 72 (31 July 2024)\n\n> Must not donate if: a) They are under 17 years of age.\n\nSource: \n", "condition": "They are under 17 years of age", "criterion": "Age", "file": "jpac-uk-blood-and-tissue-services-age.md", "generated": true, "guideline_version": "WB-DSG Edition 203 Release 72 (31 July 2024)", "harvested": "2026-08-06", "id": "jpac-uk-blood-and-tissue-services-age", "outcome": "temporary deferral", "source_quote": "Must not donate if: a) They are under 17 years of age.", "sources": ["https://www.jpac.org.uk/guidelines/wb/index/age/"], "stale_after": "2027-02-02", "title": "Age \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "guideline_version", "verified": true, "waiting_period": "under 17 years of age"} {"asset": "blood-donor-deferral-criteria", "blood_service": "JPAC / UK Blood and Tissue Services", "body": "**Criterion:** Body piercing\n\n**Blood service:** JPAC / UK Blood and Tissue Services\n\n**Waiting period:** 4 months\n\n**Condition:** Less than 4 months from last piercing\n\n**Outcome:** temporary deferral\n\n**Guideline version:** WB-DSG Edition 203 Release 76 (30 April 2025)\n\n> Must not donate if: Less than 4 months from last piercing.\n\nSource: \n", "condition": "Less than 4 months from last piercing", "criterion": "Body piercing", "file": "jpac-uk-blood-and-tissue-services-body-piercing.md", "generated": true, "guideline_version": "WB-DSG Edition 203 Release 76 (30 April 2025)", "harvested": "2026-08-06", "id": "jpac-uk-blood-and-tissue-services-body-piercing", "outcome": "temporary deferral", "source_quote": "Must not donate if: Less than 4 months from last piercing.", "sources": ["https://www.jpac.org.uk/guidelines/wb/index/body-piercing/"], "stale_after": "2027-02-02", "title": "Body piercing \u2014 Blood donor deferral criteria compared across national blood services", "type": "eligibility", "unverified_fields": "criterion, guideline_version", "verified": false, "waiting_period": "4 months"}