No abstract available
MeSH terms
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Adult
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Animals
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Chickens
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Child, Preschool
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China / epidemiology
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Humans
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Influenza A Virus, H9N2 Subtype* / classification
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Influenza A Virus, H9N2 Subtype* / isolation & purification
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Influenza A Virus, H9N2 Subtype* / pathogenicity
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Influenza in Birds / epidemiology
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Influenza in Birds / transmission
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Influenza in Birds / virology
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Male
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Orthomyxoviridae Infections / epidemiology
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Orthomyxoviridae Infections / transmission
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Orthomyxoviridae Infections / veterinary*
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Orthomyxoviridae Infections / virology
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Phylogeny