No abstract available
MeSH terms
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Acute Disease
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Child, Preschool
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Comorbidity
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Diarrhea / epidemiology*
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Diarrhea / virology
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Female
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Humans
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Infant
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Influenza A virus / isolation & purification
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Influenza, Human / epidemiology
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Male
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Mexico / epidemiology
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Poverty Areas
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Prospective Studies
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Respiratory Tract Infections / epidemiology*
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Respiratory Tract Infections / virology
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Virus Diseases / epidemiology*