Rats Didn’t Spread the Black Death—It Was Humans
Scientists now believe the plague spread too fast for rats to be the culprits.
Microbe Behind Black Death Also Caused Devastating Plague 800 Years Earlier
Scientists have confirmed that the Black Death and another huge plague epidemic in the sixth century were caused by different strains of the same bacterium.
Ancient Teeth Help Scientists Decode Plague
Though caused by the same pathogen, the deadly Plague of Justinian appears to have emerged separately from later plagues such as the Black Death.