Article
Origins and evolution of AIDS viruses: estimating the time-scale
1 Feb 2000
Abstract excerpt
The primate lentiviruses comprise SIV strains from various host species, as well as two viruses, HIV-1 and HIV-2, that cause AIDS in humans. The origins of HIV-1 and HIV-2 have been traced to cross-species transmissions from chimpanzees and sooty mangabey monkeys respectively. Two approaches have been taken to estimate the time-scale of the evolution of these viruses. Certain groups of SIV strains appear to have...
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