Deltaretrovirus

**Semantic type:** Virus

**Definition:** A genus in the family retroviridae consisting of exogenous horizontally transmitted viruses found in mammals; associated with B or T cell leukemia/lymphoma with a long latency. Bovine Leukemia Virus is the type species. (from CRISP)

**Synonyms:** - BLV-HTLV Retrovirus - DELTARETROVIRUS