If you’re sifting through advice about pet vaccines, breathe easy theanimalcentral.com has wrangled the essentials into one candid rundown that cuts through the jargon. Let’s get paws-on with what’s truly vital for your pets’ protection.

Vaccines do more than just keep your pets perky; they act as little security guards patrolling against some pretty nasty illnesses. For dogs, you’ll hear vets talk about core and non-core vaccines. The core group includes protection against parvovirus, distemper, canine hepatitis, and rabies. Non-core, on the other paw, depends on your dog’s lifestyle and local risks—think bordetella (kennel cough) if your pup loves dog parks or doggy daycare.

Cats also have their lineup. The feline triple combo—calicivirus, panleukopenia, and feline herpesvirus—is nearly always recommended, along with that all-important rabies shot. Feline leukemia vaccines sometimes make the list, especially if your cat is the outgoing, adventurous type.

So, when should kittens and puppies start? Both begin their vaccines a few weeks after birth. Expect shots to start around 6-8 weeks of age, with boosters spaced out every few weeks until about four months old. Skipping a booster is like leaving your umbrella at home on a rainy day; it’s just not a risk worth taking.

“But aren’t vaccines risky?” Good question, and one that sparks debate on every pet forum. The truth? Vaccine side effects do happen, but the odds are slim. Most reactions, if they occur, are mild—maybe a slight fever or sleepiness. Life-threatening issues are as rare as a dog that refuses bacon. Track any changes after shots and always notify your vet if something seems off. Better safe than sorry.

Titer testing is popping up more, especially among pet owners who prefer fewer jabs. This test checks how well your pet’s immune system remembers past vaccines. It’s not a crystal ball, but it can help your vet decide if that booster is genuinely needed.