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Abstract
Mesh: See more » AdolescentAdultAge DistributionAgedCanada/epidemiologyChildChild, PreschoolHumansInfantInfant, NewbornInfluenza, Human/epidemiologyInfluenza, Human/virologyMiddle AgedSeasonsSentinel SurveillanceSerotyping
Year: 1997 PMID: 9553282
Source DB: PubMed Journal: Can Commun Dis Rep ISSN: 1188-4169