Influenza pandemics: a historical retrospect.
Tognotti
Eugenia
E
Department of History, University of Sassari, Medical School, Italy. tognotti@uniss.it
D000818:Animals; D004196:Disease Outbreaks / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000266:history*