Please confirm that you would like to log out of Medscape.
If you log out, you will be required to enter your username and password the next time you visit.
Log outCancel
Historical Review
Historical Review
Biological Warfare at the 1346 Siege of CaffaOn the basis of a 14th-century account, the Black Death is widely believed to have reached Europe from the Crimea as the result of a biological warfare attack.
