Leukemia Virus, Bovine

**Definition:** The type species of DELTARETROVIRUS that causes a form of bovine lymphosarcoma (ENZOOTIC BOVINE LEUKOSIS) or persistent lymphocytosis.

**Tree numbers:** - B04.613.807.200.600 - B04.820.650.200.600

**Synonyms:** - Bovine Leukemia Virus - Cattle Leukemia Virus - BLV