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February 2001 Cover
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New research from Belgian investigators suggests that a virus similar to HIV may have existed in humans during the 17th century. The researchers, from the Catholic University in Leuven, Belgium, used computerized
dating methods based on virus genetic data to trace links between HIV and a similar virus in chimpanzees. The scientists reported, "Using this method, the group found that HIV-1 group M and its closest related simian
virus, SIVcpz, isolated from chimpanzees, shared a common ancestor about 300 years ago, around 1675."
Editor's Note: from The Ottawa Citizen
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HIV Digest!
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