Coping with flu season.
Weir
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D000293:Adolescent; D000328:Adult; D002170:Canada; D002648:Child; D003430:Cross-Sectional Studies; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control; D011159:Population Surveillance