No abstract available
MeSH terms
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Absenteeism
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Antibodies, Viral / analysis
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Child
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Disease Outbreaks
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Follow-Up Studies
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Humans
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Immunity*
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Influenza Vaccines / administration & dosage
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Influenza Vaccines / therapeutic use
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Influenza, Human / immunology*
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Influenza, Human / prevention & control
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Injections, Subcutaneous
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School Health Services
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Time Factors
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Washington
Substances
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Antibodies, Viral
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Influenza Vaccines