Dogs: Routine Vaccines and Booster Schedules

Dogs need core vaccines against serious infectious diseases, with puppy doses followed by boosters on a schedule set by the vaccine and the veterinarian. Some dogs also need non-core vaccines based on their health, lifestyle and exposure risks.

There isn’t one booster timetable for every dog: age, previous vaccinations and local risks all matter. This guide explains routine vaccines and how to plan follow-up doses with your veterinarian, including what to ask before your dog’s next appointment.

• 3 years Typical interval for core combination vaccines after the first-birthday booster
• 1-3 years Possible rabies booster interval, depending on vaccine type
• 6-12 months Possible interval for some Bordetella and leptospirosis vaccines
• 4,192,443 Dog and cat adoptions in 2024

Which vaccines are core, and which depend on lifestyle?

Core protection

Core vaccines are intended for every dog, while lifestyle-based vaccines depend on a dog’s routine, exposure and local disease risks. After the booster around the first birthday, the core combination vaccine typically moves to a three-year schedule. In 2024, dog and cat adoptions totaled 4,192,443, a 0.4% increase from 2023 but 5.6% below 2019.

• Core combination: Intended for all dogs; typically given every three years after the first-birthday booster.
• Exposure-based options: Considered according to factors such as boarding, group settings, outdoor activity and diseases in the local area.

Exposure-based protection

Bordetella, leptospirosis, Lyme disease and canine influenza are examples of vaccines that may be recommended based on exposure rather than as a one-size-fits-all choice. A dog that boards or spends time in group settings may face different exposures from one whose routine is mostly at home; outdoor activity and local risks also matter.

Ask the veterinarian to distinguish core recommendations from exposure-driven options in the written plan. For each vaccine, the plan can identify the relevant exposure and set out the appropriate booster timing, which may vary by vaccine type and the dog’s risk factors.

When do adult dogs need boosters?

Adult dogs generally receive their first booster around their first birthday, after completing the puppy vaccine series. Core combination vaccines are typically repeated every three years after that booster, while other vaccines follow schedules based on the product and the dog’s exposure risk.

How adult booster timing varies

• Core combination vaccines: After the first-birthday booster, the usual interval is three years.
• Rabies: Boosters may be due every one to three years, depending on the vaccine type.
• Bordetella and leptospirosis: These may be repeated annually or every six to twelve months, depending on the product and the dog’s risk.

Adult dogs may therefore have different due dates for different vaccines: a three-year core schedule does not set the timing for rabies, Bordetella or leptospirosis. Check the vaccine record for each product’s next due date, and ask your veterinarian to match the schedule to your dog’s routine and exposure risks.

How can a veterinarian tailor the schedule to a dog's life?

A veterinarian can tailor a dog’s vaccine schedule by weighing its existing record against its likely exposure from boarding, group activities, travel and time outdoors. These routines can affect whether lifestyle-based vaccines, such as those for Bordetella, leptospirosis, Lyme disease or canine influenza, are recommended alongside core vaccines.

Bring the dog’s vaccination record to the appointment and ask which vaccine product was used, when its next dose is due, and whether each recommendation is core or lifestyle-based. Timing can differ by product: rabies vaccines may be due every one to three years, while some risk-based vaccines are given annually or every six to twelve months. A veterinarian can check the product and the dog’s circumstances before setting a due date.

For a newly adopted dog

A newly adopted dog should have its existing vaccination record reviewed by a veterinarian before an owner assumes a booster is due. Dog and cat adoptions totaled 4,192,443 in 2024, up 0.4% from 2023 but 5.6% below 2019, according to Shelter Animals Count; the relevant schedule for an individual dog still depends on its documented vaccines and routine.

What does the federal veterinary-care rule cover?

The federal veterinary-care rule covers standards for veterinary care for dogs, not an individual dog’s booster timetable. The standards in § 3.13 were added in a final rule published in the Federal Register on May 30, 2020, identified as 85 FR 28772-28799.

A dog’s vaccine and booster timing should be determined from its medical record and a veterinarian’s assessment. The rule’s care standards do not replace checking the vaccine product’s label or the rabies requirements that apply to the dog.

When can a routine booster schedule be the wrong fit?

Avoid one-size-fits-all timing

A three-year core booster interval does not set the timetable for every dog vaccine; rabies, Bordetella and leptospirosis can follow different schedules. The interval depends on the vaccine product and, for risk-based vaccines, the dog’s likely exposure.

• Core combination vaccine: after the booster around the first birthday, it typically moves to a three-year cycle.
• Rabies: the interval can be one or three years, depending on the vaccine type.
• Bordetella and leptospirosis: boosters may be due annually or every six to twelve months, depending on the product and the dog’s risk factors.
• Other lifestyle vaccines: Lyme disease and canine influenza are considered in relation to a dog’s routine and exposure, not automatically given to every dog each year.

A vaccine’s name alone is not enough to work out when a booster is due: ask the clinic to check the exact product and the date it was last given. If vaccination records are missing or incomplete, have the veterinarian assess the dog’s history and decide what is needed rather than repeating doses based on a guess.

What should owners ask before agreeing to a booster?

Before agreeing to a booster, ask which disease each vaccine targets, whether it is considered core or recommended because of your dog’s lifestyle, and how often that specific product is due. For the core combination vaccine, confirm whether the schedule moves to a three-year interval after the booster around the first birthday; do not assume every vaccine follows the same timetable.

• Product and record: Ask for the vaccine’s product name, its recommended interval, and the date of the previous dose recorded in your dog’s file. This helps distinguish schedules that may differ even among boosters given at the same visit.
• Lifestyle and exposure: Explain whether your dog boards, spends time outdoors, or has regular contact with groups of dogs. Ask how those details affect recommendations for Bordetella, leptospirosis, Lyme disease, or canine influenza.
• Timing: Ask the clinic to write down the next due date for each vaccine. Core vaccines may follow a three-year cycle, while lifestyle vaccines can be recommended annually or every six to twelve months, depending on the vaccine and the dog’s risk factors.

For rabies, confirm the interval for the specific product as well: the schedule may be every one to three years. A written record of product names and due dates makes it easier to check which booster is actually needed at the next appointment.

Common questions

Key takeaways

• Dogs generally receive a booster around the first birthday after the puppy series.
• Core combination vaccines typically move to a three-year schedule.
• Rabies timing can range from one to three years depending on vaccine type.
• Bordetella and leptospirosis timing can be annual or every six to twelve months.
• A written record helps distinguish core doses from lifestyle-based recommendations.