No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Aged
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Child
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Child, Preschool
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Disease Outbreaks*
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Evolution, Molecular*
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Genetic Variation*
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Humans
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Infant
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Infant, Newborn
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Influenza A Virus, H3N2 Subtype*
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Influenza A virus / classification*
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Influenza A virus / genetics*
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Italy / epidemiology
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Seasons
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Sentinel Surveillance