Chimp to Man to History Books: The Circuitous Path of AIDS
[unable to retrieve full-text content]In ?The Origins of AIDS,? Dr. Jacques P?pin starts from 1900 to work out the most likely path the virus took during the years it left almost no tracks. 
Source: http://feeds.nytimes.com/click.phdo?i=57c2d38460fef7ad598b9b3a9c0af9e9
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