No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Antibodies, Viral / blood
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Child
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Child, Preschool
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China / epidemiology
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Cohort Studies
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Enterovirus A, Human*
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Enterovirus Infections / epidemiology*
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Enterovirus Infections / virology
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Female
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Humans
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Infant
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Male
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Prospective Studies
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Seroepidemiologic Studies