Centers for Disease Control and Prevention
Centers for Disease Control: Eid: 1918 Influenza Pandemic
A comprehensive discussion of the influenza pandemic of 1918. Read about the investigation into the virus that caused the flu, where did the flu begin, and why did it sicken so many young adults. There are charts showing the incidence of...
US National Archives
Nara: Deadly Virus: 1918 Flu Epidemic
Online exhibit that shows through text, photos, and historically significant documents the toll of the flu epidemic of 1918 in America.
Centers for Disease Control and Prevention
Centers for Disease Control: Influenza
This site covers in depth the clinical features of influenza, different types, and the history of influenza.