Ancient DNA Pinpoints Culprit Responsible for World's First Pandemic

The world's first pandemic, known as the Plague of Justinian after the sitting Byzantine emperor, killed an estimated 25 to 100 million people between a.d. 541 and 750... historical sources from the period suggest that it may have begun around Pelusium, Egypt, before spreading rapidly throughout the Middle East and the Mediterranean world. According to a statement released by the University of South Florida (USF), researchers participated in an interdisciplinary study that has uncovered -- for the first time -- direct genomic evidence pinpointing the bacterium Yersinia pestis as the cause of the plague. The team sequenced genetic material from...