Retroviruses, Simian

**Definition:** Classes of retroviruses for which monkeys or apes are hosts. Those isolated from the West African green monkey and the Asian rhesus macaque monkey are of particular interest because of their similarities to viruses causing cancer and acquired immunodeficiency syndrome (AIDS) in humans.

**Tree numbers:** - B04.613.807.805 - B04.820.650.805

**Synonyms:** - Simian Retroviruses