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What Does Name Siah Mean. 1  You are spiritually intense and can sting or charm. 2  Click here to see the meaning of the Number 10/1 In Tarot. 3  The Number 1 suggests a strong sense of independence, desire to excel and to lead.  Click here to see the meaning of the Number 19/10/1 In Tarot.
simian immunodeficiency virus (SIV) a lentivirus closely related to human immunodeficiency virus that causes inapparent infection in African green monkeys and a disease resembling acquired immunodeficiency syndrome in macaques and chimpanzees.uman immunodeficiency virus (HIV). A transmissible retrovirus that causes AIDS in humans. Two forms of HIV are now recognized: HIV-1, which causes most cases of AIDS in Europe, North and South America, and most parts of Africa; and HIV-2, which is chiefly found in West African patients.