No abstract available
MeSH terms
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Animal Husbandry
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Animals
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Antibodies, Viral / blood*
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China / epidemiology
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Food Handling
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Humans
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Influenza A Virus, H5N1 Subtype / immunology*
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Influenza A Virus, H9N2 Subtype / immunology*
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Influenza in Birds / epidemiology*
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Influenza in Birds / immunology
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Influenza in Birds / transmission
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Poultry*
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Seroepidemiologic Studies