title: Natural history of influenza type A in the United States, 1957-1972.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000547:Amantadine / Q000627:therapeutic use; D000956:Antigens, Viral; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D004197:Disease Reservoirs; D014644:Genetic Variation; D006385:Hemagglutination Inhibition Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D006801:Humans; D007223:Infant; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology* / Q000382:microbiology / Q000401:mortality / Q000517:prevention & control; D008875:Middle Aged; D009154:Mutation; D009439:Neuraminidase / Q000032:analysis; D009500:Neutralization Tests; D009698:Nucleoproteins; D009975:Orthomyxoviridae / Q000145:classification / Q000276:immunology; D011159:Population Surveillance; D011995:Recombination, Genetic; D012424:Rural Population; D012621:Seasons; D012703:Serotyping; D014481:United States; D014505:Urban Population; D014764:Viral Proteins
chemical_list: D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D007252:Influenza Vaccines; D009698:Nucleoproteins; D014764:Viral Proteins; D000547:Amantadine; D009439:Neuraminidase