title: Influenza A: infection and reinfection.
abstract: Twenty-nine boys in a boarding school were present during a large outbreak of influenza A H1N1 in 1978 when 27 were infected, 21 with clinical influenza. These boys were bled annually and were still in school when another outbreak of influenza A H1N1 occurred in 1983. Twenty-three of them were reinfected but only nine had symptoms. These results are compared with the experience of a similar group of boys in the early years of the influenza A H3N2 era.
mesh_terms: D000914:Antibodies, Viral / Q000276:immunology; D004196:Disease Outbreaks / Q000453:epidemiology*; D004739:England; D006801:Humans; D009980:Influenza A virus / Q000145:classification / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology / Q000382:microbiology; D008297:Male; D012008:Recurrence
chemical_list: D000914:Antibodies, Viral