title: A retrospective serological survey of the influenza outbreak in Sydney in 1972.
mesh_terms: D000041:Absenteeism; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis; D001315:Australia; D003168:Complement Fixation Tests; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009975:Orthomyxoviridae / Q000276:immunology; D012189:Retrospective Studies; D012737:Sex Factors
chemical_list: D000914:Antibodies, Viral