No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Antigens, Viral / genetics*
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Disease Reservoirs
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Ducks
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Epitopes
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Genetic Variation
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Hemagglutinins, Viral / genetics
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Humans
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Influenza A virus / genetics
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Influenza A virus / immunology*
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Mutation
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Neuraminidase / genetics
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Recombination, Genetic
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Swine
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United States
Substances
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Antigens, Viral
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Epitopes
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Hemagglutinins, Viral
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Neuraminidase