title: Influenza activity in Canada, 1988-1989.
authors.forename: M J
authors.initials: MJ
authors.lastname: Todd
authors.forename: E
authors.initials: E
authors.lastname: Ellis
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002170:Canada; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D006763:Hospitals, Chronic Disease; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009980:Influenza A virus / Q000145:classification / Q000302:isolation & purification; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology* / Q000401:mortality; D008875:Middle Aged; D009735:Nursing Homes