title: Low rates of immunity in adults behind H1N1 resurgence.
authors.forename: Carolyn
authors.initials: C
authors.lastname: Brown
mesh_terms: D056704:Adaptive Immunity / Q000276:immunology; D000328:Adult; D002170:Canada / Q000453:epidemiology; D003140:Communicable Disease Control / Q000379:methods; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology* / Q000517:prevention & control; D008297:Male; D015995:Prevalence; D012008:Recurrence; D018570:Risk Assessment