No abstract available
MeSH terms
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Ambulatory Care / statistics & numerical data*
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Disease Notification / statistics & numerical data*
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Disease Outbreaks / statistics & numerical data*
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Europe / epidemiology
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Humans
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Incidence
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Influenza B virus / isolation & purification*
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Influenza, Human / epidemiology*
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Influenza, Human / microbiology
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Population Surveillance*
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Referral and Consultation / statistics & numerical data*
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Risk Assessment / methods*
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Risk Factors
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Seasons