No abstract available
MeSH terms
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Adolescent
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Adult
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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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Disease Outbreaks*
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Germany / epidemiology
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Humans
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Influenza A Virus, H1N1 Subtype / isolation & purification*
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Influenza A virus / isolation & purification*
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Influenza B virus / isolation & purification*
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Influenza, Human* / diagnosis
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Influenza, Human* / epidemiology
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Influenza, Human* / virology
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Middle Aged
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Nasopharynx / virology
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Seasons*
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Young Adult