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Abstract
Mesh: See more » AdolescentAdultAntigens, Viral/analysisCanada/epidemiologyChildChild, PreschoolDisease OutbreaksHumansIncidenceInfantInfluenza A virus/immunologyInfluenza A virus/isolation & purificationInfluenza B virus/immunologyInfluenza B virus/isolation & purificationInfluenza, Human/epidemiologyInfluenza, Human/microbiologyMiddle Aged
Substances: See more » Antigens, Viral
Year: 1993 PMID: 8242011
Source DB: PubMed Journal: Can Commun Dis Rep ISSN: 1188-4169