Which illness of the 14th century came to Europe by way of Asia and eliminated a third of the European population in only 20 years?

Question

Quizplus · Accepted Answer

The illness in question is the bubonic plague, also known as the Black Death. It is believed to have originated in Asia and spread to Europe through trade routes, killing an estimated 25 million people, or one third of the population, in just two decades. Swine flu, malaria, and HIV/AIDS did not exist in the 14th century.

Which Illness of the 14th Century Came to Europe by Way