Immunodeficiency Virus, Feline

**Definition:** A species of LENTIVIRUS, subgenus feline lentiviruses (LENTIVIRUSES, FELINE) isolated from cats with a chronic wasting syndrome, presumed to be immune deficiency. There are 3 strains: Petaluma (FIP-P), Oma (FIP-O) and Puma lentivirus (PLV). There is no antigenic relationship between FIV and HIV, nor does FIV grow in human T-cells.

**Tree numbers:** - B04.820.650.589.530.400

**Synonyms:** - Feline Immunodeficiency Virus - Feline T-Lymphotropic Lentivirus - Feline T-Lymphotropic Virus - FIV - FTLV