No abstract available
MeSH terms
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Drug Monitoring / methods
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Europe / epidemiology
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Humans
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Influenza Vaccines / therapeutic use*
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Influenza, Human / diagnosis
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Influenza, Human / epidemiology*
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Influenza, Human / prevention & control*
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Mass Vaccination / statistics & numerical data*
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Outcome Assessment, Health Care / methods
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Population Surveillance*
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Prevalence
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Risk Assessment / methods
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Seasons*
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Treatment Outcome