The bacterium behind syphilis has a far more ancient history than we thought

https://www.scientificamerican.com/article/ancient-bacteriums-genome-could-rewrite-the-history-of-syphilis/

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  1. Syphilis is a spirochete aka spiral shaped bacteria and also include the causative agents of Lyme disease. Their really unique compared to the more common disease causing bacteria, namely cocci, round shaped like *Streptococcal pharyngitis*, which causes strep throat, and bacillis rod shaped like *Bacillis anthracis*. Spirochete are always really neat to learn about.