foxnews.com — Every generation has to learn this same lesson. PetSmart, PetCo, and the other big chains do not check or vet the animals they receive. They do not keep any records. 9 times out of 10 their animals are diseased. Had a friend, bought a kitten turned out to have FeLeuk! Best bet, find a breeder then check them out, or the local vet/shelter.