From a 5,500-year-old humanshin bone, scientists have discovered a close cousin of the pathogen that causes syphilis, providing the oldest evidence yet that the disease has ancient roots in the Ameri… [+38 chars]
5,500-year-old DNA shows syphilis was rooted in the Americas, before Columbus - The Washington Post
Analysis of a shin bone found in a rock cave in Colombia suggests the sexually transmitted disease is much older than previously believed.
By:Carolyn Y. Johnson
Source:The Washington Post
Published:

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