Dictionary

SIV

noun \ˌes-ˌī-ˈvē\

Definition of SIV

:  a lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2

First Known Use of SIV

1987

SIV

noun \ˌes-ˌī-ˈvē\   (Medical Dictionary)

Medical Definition of SIV

:  a retrovirus of the genus Lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2 of humans—called also simian immunodeficiency virus

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