5,500-year-old DNA shows syphilis was rooted in the Americas, before Columbus – The Washington Post

1. 5,500-year-old DNA shows syphilis was rooted in the Americas, before Columbus  The Washington Post
2. The bacterium behind syphilis has a far more ancient history than we thought  Scientific American
3. Ancient DNA in Colombian skeleton may reveal new…

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News Source: www.washingtonpost.com