title: Influenza 1918: the contemporary perspective.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000266:history*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000266:history*; D008297:Male; D008875:Middle Aged; D014481:United States