# Immunization, Vaccination — Blood donor deferral criteria compared across national blood services

For Immunization, Vaccination, blood service is American Red Cross (US); waiting period is 4 weeks; condition is 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; outcome is temporary deferral, recorded from its source on 2026-08-06.

- **Criterion:** Immunization, Vaccination
- **Blood service:** American Red Cross (US) _(our reading, not quoted from the source)_
- **Waiting period:** 4 weeks _(verified: appears in the quote below)_
- **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
- **Outcome:** temporary deferral _(our reading, not quoted from the source)_

## What the source says

> 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.

## Source

- https://www.redcrossblood.org/donate-blood/how-to-donate/eligibility-requirements/eligibility-criteria-alphabetical.html

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Blood donor deferral criteria compared across national blood services](https://referencesource.org/blood-donor-deferral-criteria/).
