No abstract available
Publication types
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Letter
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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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Child
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Child, Preschool
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China
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DNA Probes / chemistry
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DNA Probes / metabolism
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Female
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Humans
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Infant
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Influenza A Virus, H1N1 Subtype / genetics*
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Influenza A Virus, H3N2 Subtype / genetics
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Male
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Middle Aged
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Pandemics
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Prevalence
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Real-Time Polymerase Chain Reaction
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Seasons
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Young Adult