Feline Immunodeficiency Virus (FIV)

Feline Immunodeficiency Virus (FIV) is in the same family, Retroviridae, as Feline Leukemia Virus (FeLV).  Therefore, they share certain characteristics, such as the ability to suppress a cat’s immune system and to initiate and allow the growth and spread of cancer.  The virus was discovered in 1986. FIV is known as the virus of unfriendly [...]