Influenza in the USSR: new antigenic variant A2-Hong Kong-1-68 and its possible precursors.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000032:analysis*; D002648:Child; D004196:Disease Outbreaks; D004372:Ducks; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification; D012703:Serotyping; D014586:USSR
D000941:Antigens