USA Today :: Tech

Study: AIDS virus in human circulation for 100 years

The AIDS virus has been circulating among people for about 100 years, decades longer than scientists had thought, a new study ... <p><a href="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?a=tqwpyL"><img src="http://rssfeeds.usatoday.com/~a/usatoday-TechTopStories?i=tqwpyL" border="0"></img></a></p><img src="http://rssfeeds.usatoday.com/~r/usatoday-TechTopStories/~4/408425610" height="1" width="1"/>