Feline Leukemia Virus and Feline Immunodeficiency Virus
What Are Feline Leukemia Virus and Feline Immunodeficiency Virus? Feline leukemia virus (FeLV) is contagious among cats. Unlike many other viruses that enter specific cells in the body and destroy them, FeLV enters certain cells in a cat’s body and changes the cells’ genetic characteristics. This permits FeLV to continue reproducing within the cat each time infected cells divide. This allows FeLV to become dormant (inactive) in some cats, making disease transmission and prognosis difficult to predict. Like FeLV, feline immunodeficiency virus (FIV) is also contagious among cats, and a cat can be infected with FIV for many years without showing any…