No abstract available
MeSH terms
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Disease Outbreaks / prevention & control*
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Disease Outbreaks / statistics & numerical data*
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Europe / epidemiology
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European Union / organization & administration
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Humans
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Incidence
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Influenza Vaccines / therapeutic use*
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Influenza, Human / epidemiology*
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Influenza, Human / prevention & control*
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Population Surveillance / methods*
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Public Health Administration / methods
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Risk Assessment / methods*
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Risk Factors