The Black Death
The Black Death is widely thought to have been an outbreak of bubonic plague caused by bacteria carried by fleas that lived on black rats. The rodents spread the plague from China to Europe and it hit Britain in 1348.
For centuries rats have been blamed for spreading the Black Death, helping to consign millions of people to an agonizing death. what was the black plague? It was a disease like Ebola you start to get boils the size of walnuts.Made you very weaker so they die faster.