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Can my unvaccinated cat catch feline leukemia from new kittens?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Male | neutered | 2 years and 7 months old | 12 lbs

How much is the risk for a 2 year cat who hasn’t had the feline leukemia vaccine to interact with 9 week old kittens ? I took the kittens to the vet and they had their fist round of vaccinations but they told me that they could not be sure if they had the leukemia virus útil they reach 6 months of age

1 Answer

Most Helpful Answer

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Answered By Dr. Davis

Veterinarian

Published on September 22nd, 2018

Feline leukemia is spread mostly by fighting and breeding and most mature cats have some natural immunity. There is always a risk if you haven’t had the kittens tested so I would request a Felv/Fiv test and if they are negative then your cat should be safe to play with them. I don’t wait until they are six months to test kittens. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Munchie.

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