Two more deadly waves of the plague hit in the 1500s and 1800s. In fact, scientists think that it may have been around before the 1300s ... In 1798, an British doctor, Edward Jenner, developed ...

The plague’s deadliest outbreak was in the 1300s – but is it gone for good? In this one-minute video, our Ask Smithsonian Host, Eric Schulze, explains what causes the plague and what we are ...