LOADING

Episode

What Made the 1918 Flu So Deadly?

The 1918 flu killed at least 50 million people, more than died from battle in World War I.
Aired: 5/13/2013 | 0:01:28
You may also like
  • Breakthrough: The Ideas That Changed the World
  • Wild Weather
  • Life on Fire
  • The Amazing Human Body
  • The Secret Life of Scientists & Engineers
©2020 WNET All Rights Reserved.   825 Eighth Avenue, New York, NY 10019