Maintain as high a degree of general cleanliness as possible and clean litter boxes frequently. Toms that sire litters that develop FIP should not be used for breeding purposes. Although both toms and queens possess the same favorable or unfavorable genes, the tom has the greatest influence on the incidence, because he has the most offspring. Reduce the numbers of cats, especially kittens, in the environment. Keep cats isolated into smaller groups.
FECV infection maintains itself by constantly infecting and re-infecting the same cats.
When the numbers of cats drops to 5 or less, it is very difficult for the virus to sustain itself. We recognize that for cat breeders and animal shelters reducing numbers may not be feasible, and that the answer for future control of FIP is more research and effective vaccines. People typically wait at least 1 month. Vacuum and clean the house as thoroughly as possible. Porous or fragile objects that cannot be properly cleaned should be discarded.