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Source
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Isolated from a human in Fort Monmouth, New Jersey in 1947.
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References
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Rekart M, et al. Prevalence of hemagglutination inhibition antibody to current strains of the H3N2 and H1N1 subtypes of Influenza A virus in sera collected from the elderly in 1976. Am. J. Epidemiol. 115: 587-597, 1982. PubMed: 7072705
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