title: Study of an influenza outbreak recorded in the town C during the epidemic period February--March 1979.
mesh_terms: D000293:Adolescent; D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D009980:Influenza A virus / Q000276:immunology / Q000302:isolation & purification*; D007251:Influenza, Human / Q000276:immunology / Q000382:microbiology*; D012383:Romania
chemical_list: D000914:Antibodies, Viral