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Essay: A Great Pox’s Greatest Feat: Staying Alive
« on: 29 Apr, 2008, 11:00:06 »
Essay: A Great Pox’s Greatest Feat: Staying Alive
     

Research indicates that syphilis became less virulent over time, which probably helped it survive.
     

http://www.nytimes.com/2008/04/29/health/29essa.html?partner=rssnyt&emc=rss
     
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