No abstract available
MeSH terms
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Adolescent
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Carrier State / diagnosis
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Carrier State / epidemiology*
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Child
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Child, Preschool
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Escherichia coli Infections / epidemiology*
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Feces / microbiology
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Germany, East
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Hospitals, Special*
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Humans
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Infant
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Infant, Newborn
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Paratyphoid Fever / epidemiology*
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Pediatrics
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Salmonella Infections / epidemiology*
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Typhoid Fever / epidemiology*