In Europe a disease arrived through trade ships. The disease was known as the Black Death. The Black Death killed over 20 million people. The Black Death is a deadly plague that swept through Europe between 1347 and 1351. The Black Death was also known as the Bubonic Plague. The disease spreads through the air. It also spreads through the bites of infected rats and fleas. The rats helped by transfering fleas so that they would attach on people. People could also got contagious from other people. Contagion is the passing of a disease from one person to another by direct or even indirect contact. Some symptoms of the Black Death are fevers, chills, vomiting, diarrhea, aches, pains, and even death.Black Death ravaged Europe between 1347 and 1351, taking a proportionately greater toll of life than any other known epidemic or war up to that time.In the early 1330s an outbreak of deadly bubonic plague occurred in China. 25 million people died in just under five years between 1347 and 1352. Estimated population of Europe from 1000 to 1352.The Black Death arrived in Britain from central Asia in the autumn of 1348. Believed to be bubonic plague, spread by infected fleas carried on rats, the disease swept through Europe over the better part of the next year