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Thread: If HIV came from SIV, then where did SIV come from?

  1. #1 If HIV came from SIV, then where did SIV come from? 
    New Member
    Join Date
    Jun 2012
    Very simple question. The hypothesis is now that HIV is a zoonosis of SIV, and the question "where did HIV come from?" is often answered in such a manner, without addressing the origin of SIV.

    So, here is my question: where did SIV come from?

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  3. #2  
    Forum Cosmic Wizard
    Join Date
    Dec 2013
    It was in wild apes. That was why it was called Simian Immunodeficiency Virus. Human Immunodeficiency Virus seems to be a mutation of a strain of Simian Immunodeficiency Virus found in Chimps.

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  4. #3  
    Brassica oleracea Strange's Avatar
    Join Date
    Oct 2011
    And if you mean the more basic, where do viruses come from, then the answer is that they evolved. But the details are unclear:
    Origin of Viruses | Learn Science at Scitable
    ei incumbit probatio qui dicit, non qui negat
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