If you have several cats, there is a slight chance the positive pet caught the virus from another one of your pets through mutual grooming or other intimate contact. (2ndchance.info)
Owners of two or more dogs can learn a lot about their pets by watching mutual grooming sessions. (canismajor.com)
Typically, cats catch this virus by sharing litter boxes, food, and water bowls with an infected cat, as well as by mutual grooming. (petsmagazine.com.sg)