Plague may have caused die-offs of ancient Siberians
Bacterium DNA was found in two skeletons dating to roughly 4,000 years ago
![Lake Baikal](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/01/010521_bb_siberian-plague_feat.jpg?fit=1030%2C580&ssl=1)
An analysis of ancient Siberians’ DNA suggests that the plague bacterium, Yersinia pestis, infected people living just west of Lake Baikal (shown) by around 4,400 years ago.
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