Scientists find cause of Justinian plague

May 10, 2013, 4:40 PM EDT
French writer Patrick Deville poses with his last book 'Plague and Cholera' (La Peste et le Cholera), on November 5, 2012 in Paris, after being awarded with the Femina prize.
AFP/Getty Images/Mehdi Fedouach

Scientists found that Yersinia pestis caused the first big plague. The scientists performed ancient DNA analyses on skeletal remains of plague victims.

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