No abstract available
MeSH terms
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Caliciviridae Infections / epidemiology*
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Caliciviridae Infections / microbiology
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Disease Outbreaks / statistics & numerical data*
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Europe / epidemiology
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Gastroenteritis / epidemiology*
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Gastroenteritis / microbiology
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Humans
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Incidence
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Norovirus / isolation & purification*
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Population Surveillance
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Risk Assessment / methods*
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Risk Factors
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Ships / statistics & numerical data*
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Travel / statistics & numerical data*