No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Antibodies, Viral / blood*
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Hemagglutination Inhibition Tests
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Humans
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Immunization
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Influenza A virus / immunology*
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Influenza A virus / pathogenicity
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Influenza Vaccines / administration & dosage*
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Influenza Vaccines / immunology*
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Influenza, Human / immunology
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Influenza, Human / prevention & control*
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Middle Aged
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Treatment Outcome
Substances
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Antibodies, Viral
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Influenza Vaccines