University of Colorado at Boulder Jul 31 2025 The Black Death arrived on the shores of England in May 1348 and, in less than two years, spread throughout the country, killing an estimated 2 million people. The death toll from the disease, which was caused by the bacterium Yersinia pestis , got so high that officials in London and other cities opened new cemeteries where hundreds of bodies were interred every day.  According to a new study, those who died around the time of the Black Death may