Simian Immunodeficiency Virus

Definition 1

An HIV-like virus that infects monkeys, chimpanzees, and other non-human primates. (AIDS Info HIV Glossary) (NCI Thesaurus)

Definition 2

Species of the genus LENTIVIRUS, subgenus primate immunodeficiency viruses (IMMUNODEFICIENCY VIRUSES, PRIMATE), that induces acquired immunodeficiency syndrome in monkeys and apes (SAIDS). The genetic organization of SIV is virtually identical to HIV. SIV is 50% homologous in nucleotide sequence to HIV-1. SIV and HIV-2 exhibit close structural and immunologic properties and are 75% homologous. SIV does not cause immune deficiency in its natural host, the African green monkey, but does produce SAIDS in the rhesus macaque. Subgroups of SIV include SIV-1 and SIV-2. (NLM, Medical Subject Headings)

Definition 3

causes a disease, SAIDS, in monkeys which is similar to AIDS in man; used as a model for HIV infection. (NIH CRISP Thesaurus)

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