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My 3-month-old indoor kitten is unvaccinated. Is he at risk now?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | unneutered

I have just found out that the person I got my kitten from lied about him being vaccinated. This worries me and I just want to know if he is at risk at all. He is 3 months old and is an indoor cat

1 Answer

Most Helpful Answer

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Answered By Dr. B. DVM, DACVIM (Oncology)

Veterinarian

Published on April 4th, 2019

Oh no! That is very frustrating to not be told the truth, but it is a good thing you know now. It is a little difficult to assess risk if it is uncertain if your kitten was raised by its mother. If so, and she was vaccinated, she could have passed some maternal antibodies on to your kitty. The biggest risk for kittens is through exposure to other cats. If your kitty is an indoor kitty with no other contact with other cats this significantly decreases his risk. What is most important now is to start his vaccinations with your vet, to have him tested for the kitty viruses (feline leukemia and FIV), and to have him checked for intestinal parasites (if not already performed/dewormer given). Just because he is older does not mean he can not get his vaccines, he will just need less vaccines than a younger kittens. Typically we vaccinate with FVRCP (for kitty upper respiratory viruses and panleukopenia) and rabies. If your kitty will eventually be going outside then vaccination for feline leukemia (after a negative test) is important. Your family vet can set up a schedule for Chase at his first visit. I hope this helps and thank you for using Petco Pet Education Center, formerly Petcoach!

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