The bubonic plague is a deadly bacterial infection, caused by Yersinia pestis. In the 14th century, before treatment was available, bubonic plague killed 50 million people in Europe and became ...

The Plague of Athens killed tens of thousands ... beaked masks Why plague doctors wore those strange beaked masks Black Death discovery offers rare new look at plague catastrophe Black Death ...

Well, believe it or not, the plague is still around. Blame fleas and the rats, mice, chipmunks, and squirrels they infect. Bubonic plague is caused by bacteria that live in fleas. If you get bit ...