ペット海外渡航のワクチン完全ガイド｜2026年版・接種スケジュールと国別要件

Last Updated: July 29, 2026

Why Are Vaccinations Required for Pets Traveling Abroad?

When traveling abroad with a pet, many countries require proof of specific vaccinations or antibody tests as a condition of entry. A well-planned vaccination schedule is essential not only to comply with the destination country’s regulations but also to reduce the risk of infectious diseases during and after the trip and to protect your pet’s health.

Rabies, in particular, is a disease that can be transmitted to humans and is often considered life-threatening once symptoms appear. Countries and regions with no reported cases of rabies—or where the disease is well-controlled—tend to have stricter entry requirements to prevent the introduction of the disease. Since the specific requirements vary by country, checking them early on will give you peace of mind.

What are the types and characteristics of vaccines required for travel?

The vaccines and preventive medications that are frequently discussed in connection with traveling abroad with pets mainly include combination vaccines, rabies vaccines, leptospirosis vaccines, and heartworm prevention (which, strictly speaking, is a preventive medication, not a vaccine). The roles of each and general guidelines are as follows.

*The timing and number of vaccinations may be adjusted depending on the type of vaccine and the animal’s health status. Additional vaccinations may be required depending on the requirements of the destination country. The phrase “91 days of age or older” in the table refers to the criteria for returning to Japan (Source: quarantine station for animals(Confirmed in July 2026). Please check with the authorities in your destination country and your regular veterinarian for the latest requirements for each destination.

What diseases can be prevented with a combination vaccine?

Combination vaccines are designed to prevent multiple infectious diseases at once and are generally recommended regardless of whether your pet is traveling. Here is an overview of the most common diseases targeted by these vaccines. Since individual symptoms and severity may vary, please consult your regular veterinarian for more details.

leptospirosis

Infection occurs through contact with the urine of infected animals or with water or soil contaminated by their urine. The risk of infection is considered high in hot, humid regions, and the main symptoms include fever, vomiting, loss of appetite, and mucosal congestion. As the disease progresses, jaundice and impaired kidney function may develop, so it is important to seek medical attention early. Vaccination is considered an effective means of prevention.

Canine Parvovirus Infection

The disease is transmitted through direct or indirect contact with the feces of an infected dog. The virus is known to survive easily in the environment and is difficult to inactivate with standard disinfection methods. The main symptoms include severe vomiting, bloody diarrhea, and severe dehydration; puppies, in particular, are prone to developing severe cases. Early diagnosis and treatment, as well as preventive measures such as vaccination, are crucial.

Canine Distemper Virus Infection

It is transmitted through contact with respiratory secretions from infected dogs or via droplets. The main symptoms include fever, loss of energy and appetite, and conjunctivitis; as the disease progresses, pneumonia and neurological symptoms may also develop. Since the disease is known to be particularly severe in young dogs and those with compromised immune systems, establishing a strong baseline immunity is crucial.

Rabies Vaccines and Antibody Titer Tests: What Should You Know?

Rabies is a zoonotic disease—one that can be transmitted from animals to humans—that is almost always fatal once symptoms appear. According to the World Health Organization (WHO), an estimated 59,000 people die from rabies worldwide each year, with the majority of these deaths occurring in Asia and Africa (Source: WHO Fact Sheet, verified in July 2026). Against this backdrop, nearly all countries require proof of rabies vaccination as a condition for bringing pets into the country.

The eligible age range, the number of doses required, and the validity period of the certificate vary depending on the type of vaccine and the destination. For basic information on rabies vaccines and rabies vaccinations for dogs in Japan (which dog owners are required to administer annually under the Rabies Prevention Act), please see:The Basics of Rabies Vaccination You Should KnowThis is explained in detail there.

In addition, proof of a rabies antibody titer test (blood test) may be required when traveling to Hawaii, New Zealand, Australia, or the United Kingdom, or when returning to Japan from areas other than those designated. Japan’s passing criteria are0.5 IU/mL or moreSo, when returning to Japan, starting from the date of the blood test,180 daysA waiting period has been established (Source: Animal Quarantine Service: “Importation of Dogs and Cats from Areas Other Than Designated Regions”(Confirmed in July 2026). Since standards and approaches to the waiting period vary by country, the specific testing procedures and differences between countries areProcedure Guide for Rabies Antibody Titer TestingThis is explained in detail there.

What Should I Do Before Departure, and When? A Sample Preparation Schedule

As the title suggests, it’s a good idea to start preparing at least six months before departure, especially if an antibody titer test is required for travel. The following is a general guide to the preparation process; the actual time required may vary depending on your destination and your pet’s condition.

*The above is a general guideline for preparation. If an antibody titer test is required, a 180-day waiting period from the date of the blood draw is required for return to Japan (Source: quarantine station for animals(Confirmed in July 2026). Depending on your destination, a certain waiting period may be required after testing, so we recommend preparing even earlier if this applies to you. Since the actual time required varies depending on your destination and your pet’s condition, please check with the authorities at your destination, the Animal Quarantine Service, and your regular veterinarian as soon as possible.

How do vaccine requirements differ by country and region?

Vaccination requirements vary significantly depending on your destination. While we outline the general trends for major countries and regions here, regulations are subject to change at any time. Therefore, once you have finalized your travel plans, be sure to check the latest requirements using official information from the authorities in your destination country or region.

What Should You Do If You Experience Changes in Your Health After Vaccination? Common Reactions and How to Handle Them

After vaccination, some animals may exhibit various reactions. Most of these are temporary and will subside on their own with proper care, but if you notice any symptoms that concern you, please consult your veterinarian immediately.

*Please note that reactions may vary from animal to animal. Even if your pet’s symptoms do not match those listed in the table, please consult your veterinarian if you have any concerns.

Common mistakes and countermeasures

Frequently Asked Questions (FAQ)

Summary: Checking early and taking a personalized approach are the best ways to ensure a safe trip

The vaccinations required for traveling abroad with a pet primarily consist of combination vaccines and rabies vaccines; however, depending on the destination, antibody titer tests, additional vaccinations, or other procedures may be required. There is no “single timeframe that applies to every country”; requirements vary by country—for example, the EU requires 21 days after the first rabies vaccination, Thailand requires vaccination at least 21 days before travel, and returning to Japan requires a blood test result valid for 180 days. Once you’ve decided on your destination, check the requirements as early as possible. The surest way to ensure a safe trip is to proceed with preparations well in advance, following this order: microchipping, vaccinations, and, if necessary, antibody titer testing.

Basic Information on the Rabies VaccineThe Basics of Rabies Vaccination You Should Know, The specific procedure for antibody titer testing isProcedure Guide for Rabies Antibody Titer Testing, The entire process for returning to Japan isThe Complete Guide to Returning to JapanBut we explain it in detail. If you want to know the overall process of preparing for your trip,A Comprehensive Guide to Traveling AbroadPlease see this as well.

Written by: PetAirJPN Editorial Department (International Pet Transportation Operations Team)

*The information in this article is current as of July 2026. Quarantine regulations, vaccination requirements, and airline policies in each country are subject to change without notice. This article is intended to provide general information only; to determine whether travel is permitted and to confirm specific requirements, please be sure to check the latest official information from the relevant national authorities, animal quarantine offices, and your veterinarian.