5 Deadliest Diseases in History

History has seen its fair share of brutal killers---cholera, bubonic plague, and influenza. But what are the deadliest diseases ever recorded

Researchers Debunk Bubonic Plague of Black Death In Europe

Growing up, children have been taught that the Black Death, which spread throughout London in the mid-1300s and killed roughly 60 percent of the population, was caused by fleas off the backs of rats traveling on boats from Asia.

Scientists Find Bubonic Plague DNA in 1,500-Year-Old Ancient Teeth, Warn Devastating Black Death 'Could Return'

Could the Black Death possibly struck again? Scientists now warn that the murderous bubonic plague which consumed nearly 100 million's lives could return.