
The Black Death was caused by Yersinia pestis and it spread quickly throughout medieval Europe and the world. It is hard to better it as a description of the disease. This clinical scenario was written by Giovanni Boccaccio in Decameron (circa 1360). Of many others, who died at home, the departure was hardly observed by their neighbours, until the stench of the bodies carried the news.” Many died daily or nightly in the public streets.

any that touched the clothes of the sick. merely by speech or association with the sick was the disease communicated to the healthy. “It first betrayed itself by the emergence of certain tumours in the groin or the armpits, some of which grew as large as a common apple, others as an egg.
