No abstract available
MeSH terms
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Adolescent
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Adult
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Age Distribution
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Aged
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Aged, 80 and over
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Child
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Child, Preschool
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Female
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Finland / epidemiology
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Hospitalization / statistics & numerical data
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Humans
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Incidence
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Infant
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Infant, Newborn
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Influenza A Virus, H1N1 Subtype / isolation & purification*
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Influenza, Human / epidemiology*
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Influenza, Human / mortality
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Influenza, Human / virology*
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Male
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Middle Aged
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Morbidity
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Pandemics*
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Population Surveillance / methods*
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Risk Factors
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Seasons
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Sex Distribution
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Young Adult