No abstract available
MeSH terms
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Animals
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Birds
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Disease Outbreaks / history*
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History, 20th Century
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Humans
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Influenza A Virus, H5N1 Subtype / genetics*
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Influenza A Virus, H5N1 Subtype / pathogenicity
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Influenza A virus / genetics*
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Influenza A virus / pathogenicity
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Influenza in Birds / transmission
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Influenza, Human / epidemiology
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Influenza, Human / history
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Influenza, Human / virology*
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Population Surveillance
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Reassortant Viruses / genetics*
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Reassortant Viruses / pathogenicity
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Recombination, Genetic