noun Date: 1987 a lentivirus (species Simian immunodeficiency virus ) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2
SIV
Meaning of SIV in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012