No abstract available
MeSH terms
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Cholera / epidemiology*
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Cholera / therapy
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Disease Outbreaks / statistics & numerical data
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Humans
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Incidence
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Italy / epidemiology
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Male
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Middle Aged
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Population Surveillance*
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Portugal / epidemiology
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Risk Assessment / methods*
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Risk Factors
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Senegal / epidemiology
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Travel / statistics & numerical data