No abstract available
MeSH terms
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Adolescent
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Adult
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Age Distribution
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Aged
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Disease Outbreaks / statistics & numerical data*
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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 / mortality*
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Mexico
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Middle Aged
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Predictive Value of Tests
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Severity of Illness Index
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United States
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Young Adult