HIV-related viruses still cross species line | Science News



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HIV-related viruses still cross species line

4:53pm, February 8, 2001

Scientists generally agree that simian viruses resembling the human immunodeficiency virus (HIV), which causes AIDS, originally spread from chimpanzees and sooty mangabeys to people in central Africa (SN: 2/6/99, p. 84). Researchers now have hard evidence that other variations of simian immunodeficiency virus (SIV) occur in wild nonhuman primates and continue to cross into people in Africa.

Although captive primates have shown SIV infections, scientists wanted to investigate the virus' prevalence in the wild. They collected blood samples from 384 wild-born baboons and monkeys in Cameroon-17 species altogether.

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