title: Influenza in Canada, 1989-1990 season.
authors: Disease Surveillance Division, Bureau of Communicable Disease Epidemiology, LCDC, Ottawa.
authors: S G
authors: SG
authors: Mackenzie
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002170:Canada / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology*; D008875:Middle Aged