Abstract
A population-based influenza surveillance study (using PCR virus subtyping) on Izu-Oshima Island, Japan, found that the cumulative incidence of influenza A(H1N1)pdm09 virus infections 2 seasons after the pandemic was highest for those 10-14 years of age (43.1%). No postpandemic A(H1N1)pdm09 case-patients had been infected with A(H1N1)pdm09 virus during the pandemic season.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Humans
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Incidence
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Influenza A Virus, H1N1 Subtype / genetics
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Islands
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Japan / epidemiology
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Orthomyxoviridae / classification
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Orthomyxoviridae / genetics*
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Pandemics*
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Population Surveillance
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Retrospective Studies
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Seasons
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Young Adult