Abstract
Antibody distribution to a novel swine-origin influenza A (H3N2) variant virus among different age groups in Japan was determined by hemagglutination-inhibition assay. Japanese children in the age group 1-14 years were at a higher risk than those in older age groups.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Antibodies, Viral / blood
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Influenza A Virus, H3N2 Subtype / immunology
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Influenza A Virus, H3N2 Subtype / isolation & purification*
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Influenza, Human / epidemiology*
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Influenza, Human / immunology
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Japan / epidemiology
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Male
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Middle Aged
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Seroepidemiologic Studies
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Young Adult