No abstract available
MeSH terms
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Absenteeism*
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Algorithms
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Child
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Disease Outbreaks*
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Humans
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Influenza A Virus, H1N1 Subtype*
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Predictive Value of Tests
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Schools*
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Sensitivity and Specificity
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Students* / statistics & numerical data
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United States / epidemiology