Quarantine Dog Rules: How Long, When, and Why It's Required

A quarantine dog is a dog that a government animal-health authority holds in isolation, typically for days to months, to confirm it is not carrying rabies or another reportable disease before it is allowed to enter a country, state, or region. Quarantine length depends entirely on where the dog is going: the United States can require 28 days, Hawaii up to 120 days, and Australia a minimum of 10 days, while the United Kingdom and European Union allow quarantine-free entry for pets that meet documentation rules. This guide compares the official requirements side by side.

What Does It Mean When a Dog Is Quarantined?

Dog quarantine is a legally mandated isolation period, imposed by a national or state animal-health agency, that separates an animal from other animals and, in most programs, from unrestricted public contact. The purpose is almost always rabies control: rabies has an incubation period, so authorities hold an animal long enough to be confident it will not develop or transmit the disease before releasing it. Quarantine is ordered either because a country requires it for all incoming animals from certain regions, or because an individual dog's paperwork (vaccination timing, blood test, microchip) did not meet the entry rules.

Quarantine is not the same thing as an identity or ownership record. A quarantine hold is a disease-control measure carried out by a government facility; a passport or ID record — including a biometric livestock ID like Animal Passport — documents who an animal belongs to and its health history, but it does not replace or shorten a legally required quarantine period.

Dog Quarantine Rules by Country: Comparison Table

As of August 2026, the U.S. and Hawaii rules above reflect the CDC's dog-importation rule that took effect August 1, 2024, and Hawaii's long-standing Animal Quarantine Station protocols; these are reviewed periodically, so confirm current status directly with the named agency before booking travel.

United States: When Does a Dog Get Quarantined at the Border?

Since August 1, 2024, the CDC — not the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) — is the lead federal authority for dogs entering the United States, while APHIS Veterinary Services only adds requirements when a dog is arriving from a country affected by foot-and-mouth disease or screwworm. All dogs must be at least six months old, carry an ISO-compliant 15-digit microchip, and arrive with a completed CDC Dog Import Form.

The CDC classifies countries as "high-risk" or "low-risk" for dog rabies. Dogs vaccinated in a CDC-designated high-risk country cannot enter unless they have a valid rabies serology titer — blood drawn at least 30 days after the first vaccination and at least 28 days before arrival. Without that titer, the dog must be quarantined for 28 days at one of only six CDC-registered Animal Care Facilities, located at airports in Atlanta, Los Angeles, Miami, New York (JFK), Washington, D.C. (Dulles), and Philadelphia (CDC, rule effective August 1, 2024).

The American Veterinary Medical Association (AVMA) and the New York City Bar Association's Animal Law Committee have both published critiques noting the limited number of entry airports and the logistical burden this places on international rescue groups, though the CDC has not announced a rollback as of 2026.

Hawaii: Why the Strictest U.S. Dog Quarantine Rules Exist

Hawaii is the only U.S. state that is rabies-free, and its Department of Agriculture and Biosecurity enforces the strictest domestic quarantine program in the country to keep it that way. Dogs and cats entering Hawaii must complete either a full 120-day quarantine or qualify for the "5-Day-or-Less" program, which allows release at Honolulu International Airport on arrival day.

To qualify for 5-Day-or-Less, a dog needs at least two lifetime rabies vaccinations given more than 30 days apart, a passing OIE-FAVN rabies antibody blood test, a valid microchip implanted before that test, and all paperwork submitted to the Animal Quarantine Station no less than 10 days before arrival (Hawaii Department of Agriculture and Biosecurity). Dogs that miss any requirement default to the 120-day program.

Australia: The Only Approved Dog Quarantine Facility

Australia requires every imported dog and cat to pass through the Mickleham Post Entry Quarantine (PEQ) facility near Melbourne — it is the country's sole approved site for companion-animal quarantine, per the Department of Agriculture, Fisheries and Forestry (DAFF). Minimum stay is 10 days for pets whose identity is verified by the exporting country's competent authority before the required RNATT blood draw; pets from higher-risk source countries can face up to 30 days, and any biosecurity concern found during the stay extends the hold. Space at Mickleham is limited and must be booked through DAFF's Post Entry Biosecurity System (PEBS) well in advance of travel.

United Kingdom and European Union: Quarantine-Free Pathways

The UK and EU represent the opposite end of the spectrum: routine quarantine has been phased out for pets that meet documentation standards, replaced by microchip-and-vaccination compliance checks at the border.

Under GOV.UK guidance, a dog entering Great Britain needs an ISO microchip implanted before its rabies vaccination, a rabies vaccination at least 21 days old, tapeworm treatment (for most routes) administered 24 hours to 5 days before arrival, and the correct pet travel document. A dog that fails to meet these conditions "may be put into quarantine for up to 4 months" at the owner's expense, or refused entry entirely if traveling by sea (GOV.UK).

Within the EU, Commission Delegated Regulation (EU) 2026/131 sets the current framework: a pet must travel with an EU pet passport or animal health certificate, an ISO-compliant microchip implanted before its rabies vaccination, and, for arrivals into Finland, Ireland, Malta, Northern Ireland, or Norway, a tapeworm treatment administered 24–120 hours before entry (European Commission). No routine quarantine applies to compliant pets moving within the EU. Note that as of 2026, EU pet passports are intended for owners resident in the EU; UK residents generally need an Animal Health Certificate for each trip, and U.S. owners need a USDA APHIS-endorsed EU health certificate — see Animal Passport's EU dog passport guide for the current residency and documentation split.

Dog Quarantine vs. an EU Pet Passport vs. a Biometric Livestock ID

These three things are frequently confused, but they solve different problems:

• Dog quarantine is a government-ordered isolation period intended to prevent disease — mainly rabies — from crossing a border.
• An EU pet passport is an official travel document, issued by an authorized veterinarian under EU law, that records microchip, vaccination, and tapeworm-treatment data so a compliant pet can skip quarantine within the EU.
• A biometric livestock or animal ID, such as Animal Passport, is a phone-based identity record built on muzzle biometrics — a nose print that is unique to each animal, similar to a human fingerprint. It binds an owner, breed, estimated age, body condition score, and vaccination history to a single record. It is not a government-issued travel document and does not satisfy CDC, DEFRA, DAFF, or EU quarantine or entry requirements. Its documented use case has been disaster identification: during livestock flood rescue operations in Pakistan in August 2025, farmers used the biometric record to reclaim animals after paper ear tags had washed away.

If your question is "will my dog be quarantined when I travel," the answer depends entirely on the destination's official rules — CDC, DEFRA/GOV.UK, DAFF, or the relevant national authority — not on any identity or passport app. See more on identity and disaster recovery for animals on the Animal Passport blog.

How to Avoid Unplanned Dog Quarantine: 5 Steps

1. Identify your destination's exact authority and rule set — CDC for the U.S., DEFRA/GOV.UK guidance for the UK, DAFF for Australia, the European Commission for the EU — since requirements are not interchangeable between them.
2. Microchip before vaccination. Nearly every program (CDC, UK, EU, Hawaii, Australia) invalidates a rabies vaccination given before the ISO microchip was implanted.
3. Time your rabies titer or second vaccination correctly. The U.S. titer needs 28+ days before entry; Hawaii's 5-Day-or-Less program needs two vaccinations 30+ days apart plus a passing OIE-FAVN test.
4. Submit paperwork on the required schedule — Hawaii requires documents 10+ days before arrival; Australia requires PEBS quarantine bookings well ahead of travel, since space at Mickleham is limited.
5. Confirm the entry airport or port. In the U.S., dogs from CDC high-risk countries without a titer must land at one of only six airports with a registered Animal Care Facility.

Frequently Asked Questions

How long is a dog usually quarantined?

It depends on the destination: 28 days in the U.S. for dogs from high-risk countries without a valid rabies titer (CDC), up to 120 days in Hawaii without the 5-Day-or-Less program, a minimum of 10–30 days in Australia, and up to 4 months in the UK only if entry rules were not followed.

Can I avoid dog quarantine entirely?

Yes, in most jurisdictions except Australia. Meeting microchip, vaccination-timing, and titer requirements in advance lets a dog skip quarantine in the U.S. (with a valid titer), the UK, and the EU. Australia requires all imported dogs to complete some period of quarantine at its Mickleham facility, though the minimum can be as short as 10 days with proper pre-export testing (DAFF).

Is Hawaii the only U.S. state that quarantines dogs?

Hawaii is the only U.S. state that is rabies-free and runs a dedicated statewide quarantine program for incoming dogs and cats; other states do not have a comparable statewide pet quarantine system, though individual dogs can still be quarantined locally after a bite incident or public-health order.

Does an EU pet passport replace dog quarantine?

An EU pet passport does not "replace" quarantine — it is the compliance document that lets a dog skip routine quarantine when moving within the EU, provided the microchip, rabies vaccination, and any required tapeworm treatment meet the timing rules set by the European Commission.

What's the difference between a quarantine dog and a passport dog?

A "quarantine dog" describes an animal currently held under a government disease-control order. A dog with a pet passport or identity record has documentation that may help it avoid quarantine (in the EU/UK system) or be reclaimed after a disaster (as with biometric livestock ID), but the passport itself is not a substitute for meeting a country's quarantine rules.

Do all countries require the same quarantine period?

No. Requirements vary by country and even by the dog's country of origin within the same destination — for example, the U.S. only imposes its 28-day quarantine pathway on dogs from CDC-designated high-risk countries, and Australia's minimum quarantine length depends on the source country's risk group.

Can a biometric ID like a nose print speed up dog quarantine?

No official quarantine program currently accepts muzzle biometrics or nose-print identity records as a substitute for the vaccination, titer, or blood-test requirements set by agencies like the CDC, DAFF, or the European Commission. Biometric ID products such as Animal Passport are used for ownership and health-history record-keeping, not for meeting border quarantine rules.

Quarantine rules change with animal-health conditions in specific countries. Always confirm current requirements directly with the destination's official agency — CDC, DEFRA/GOV.UK, DAFF, or the European Commission — before booking travel.

Publisher: Animal Passport. Last updated August 2026.