The worst plague in history was the Black Death ... It killed up to 40 million people – more than all the deaths of the first world war. It spread across the world, aided by the movement ...

All plagues that have killed and scarred the young, old, ill and, yes, even the healthy. Ever heard of the Justinianic Plague? It goes back to the Byzantine Empire (541 CE to around 750 CE ...

The DNA of Yersinia pestis bacteria has been found in a Bronze Age sheep, offering a clue to how the plague may have spread through prehistoric farming communities ...