2011 indicates that the pathogen responsible was the Yersinia pestis bacterium, probably causing several forms of plague.[4][5]
The Black Death is thought to have originated in the arid plains of central Asia, where it then travelled along the Silk Road, reaching the Crimea by 1343.[6] From there, it was most likely carried by Oriental rat fleas living on the black rats that were regular passengers on merchant ships. Spreading throughout the Mediterranean and Europe, the Black Death is estimated…
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