# Quarantine requirements for animals at CDC-registered animal care facilities · United States — The dated, ordered steps for taking a dog, cat or ferret into the United States, the European Union or Great Britain — microchip, rabies vaccination, blood test and the waiting periods between them, quoted from the law itself

For Quarantine requirements for animals at CDC-registered animal care facilities · United States, entering is United States; provision is Quarantine requirements for animals at CDC-registered animal care facilities; applies to is Foreign-vaccinated dogs that have been in a DMRVV high-risk country within six months of arrival; what is required is must be quarantined for 28 days after revaccination with a USDA-licensed rabies vaccine at the facility if they do not have a valid rabies serologic test from a CDC-approved laboratory; the clock is 28 days after revaccination, recorded from its source on 2026-08-28; source re-checked 2026-09-15.

- **Entering:** United States
- **Provision:** Quarantine requirements for animals at CDC-registered animal care facilities _(verified: appears in the quote below)_
- **Applies to:** Foreign-vaccinated dogs that have been in a DMRVV high-risk country within six months of arrival _(verified: appears in the quote below)_
- **What is required:** must be quarantined for 28 days after revaccination with a USDA-licensed rabies vaccine at the facility if they do not have a valid rabies serologic test from a CDC-approved laboratory _(verified: appears in the quote below)_
- **The clock:** 28 days after revaccination _(verified: appears in the quote below)_
- **Citation:** 42 CFR 71.51(q)(1) _(our reading, not quoted from the source)_

## What the source says

> Quarantine requirements for animals at CDC-registered animal care facilities. (1) A CDC-registered animal care facility must maintain a quarantine area for holding animals when quarantine is required. Foreign-vaccinated dogs that have been in a DMRVV high-risk country within six months of arrival must be quarantined for 28 days after revaccination with a USDA-licensed rabies vaccine at the facility if they do not have a valid rabies serologic test from a CDC-approved laboratory.

## Source

- https://www.ecfr.gov/current/title-42/chapter-I/subchapter-F/part-71/subpart-F/section-71.51

Last verified: 2026-09-15. Review by: 2026-12-26.
Part of [The dated, ordered steps for taking a dog, cat or ferret into the United States, the European Union or Great Britain — microchip, rabies vaccination, blood test and the waiting periods between them, quoted from the law itself](https://referencesource.org/pet-travel-entry-requirements/).