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Scientists trace AIDS back 100 + years

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posted on Oct, 2 2008 @ 09:21 AM
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Scientists trace AIDS back 100 + years


www.sciencedaily.com

ScienceDaily (Oct. 2, 2008) — New research indicates that the most pervasive global strain of HIV began spreading among humans between 1884 and 1924, suggesting that growing urbanization in colonial Africa set the stage for the HIV/AIDS pandemic.

The estimated period of origin, considerably earlier than the previous estimate of 1930, coincides with the establishment and rise of urban centers in west-central Africa where the pandemic HIV strain, HIV-1 group M, emerged. The growth of cities and associated high-risk behaviors may have been the key change that allowed the virus to flourish.

The research, led by Michael Worobey, an assistant professor of ecology and evolutionary biology at The University of Arizona in Tucson, was co-sponsored by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, and the David and Lucile Packard Foundation. The findings are published in the current issue of the journal Nature.
(visit the link for the full news article)



[edit on 2-10-2008 by grover]




posted on Oct, 2 2008 @ 09:21 AM
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Well this is interesting. The new timeline suggests that AIDS first evolved at some time between 1884 and 1924. If this is true then it either must have lain dorment in some animal population or been so rare that it only affected a few individuals at a time until it began to break out. Of course we didn't really start tracking infectious diseases seriously until after the Spanish flu pandimic of 1918.

www.sciencedaily.com
(visit the link for the full news article)

[edit on 2-10-2008 by grover]



posted on Oct, 2 2008 @ 09:23 AM
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