June 27, 2026 · 6 min read
Understanding Pet Vaccination Schedules for Dogs and Cats
A plain-language overview of core and non-core vaccines for dogs and cats, and why your veterinarian sets the exact schedule.
Core versus non-core vaccines
Vaccines are commonly grouped into core vaccines, recommended for most pets because the diseases are serious or widespread, and non-core vaccines, given based on lifestyle and risk.
Which vaccines your pet needs depends on species, age, location, and how they live — an indoor cat and a dog that visits parks and boarding kennels have different risks.
General timing (always confirm with your vet)
The schedule below is a broad illustration only. Your veterinarian sets the real timing based on local regulations and your pet's health.
- Puppies and kittens: a series of boosters over the first few months
- Rabies: given where required by law, then boosted on a set interval
- Adult pets: periodic boosters, often every one to three years depending on the vaccine
- Risk-based non-core vaccines added for travel, boarding, or specific exposures
Keep proof of vaccination handy
Boarding facilities, groomers, travel, and some housing require up-to-date proof of vaccination. Storing your certificates digitally means you can share them in seconds instead of searching for paper.
Set reminders so boosters are not missed
A lapsed booster can mean restarting a series or being turned away from boarding. Recording each vaccine's due date and getting a reminder keeps protection continuous and paperwork ready.