HIV's time of origin confirmed
Analysis of a newly-identified 48-year-old tissue sample from a woman infected with linkurl:HIV;http://www.the-scientist.com/article/display/53516/ has confirmed that the virus emerged in the early 20th century, researchers report today in Nature. By comparing the differences between the sequence of this sample from 1960, the second-oldest ever found, and that of a 1959 sample identified a decade ago, linkurl:Michael Worobey;http://eebweb.arizona.edu/Faculty/Bios/worobey.html of the Universit

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Alla Katsnelson
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