Study finds gorilla origins in half of human AIDS virus lineages

File photo of two gorillas in their enclosure at the zoo in Los AngelesBy Will Dunham WASHINGTON (Reuters) – Revealing new details about the origins of AIDS, scientists said on Monday half the lineages of the main type of human immunodeficiency virus, HIV-1, originated in gorillas in Cameroon before infecting people, probably via bushmeat hunting. HIV-1, which causes AIDS, is composed of fourĀ groups, each coming from a separate cross-species transmission of a simian version of the virus from apes to humans. …



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