No abstract available
MeSH terms
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Child
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Child, Preschool
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Disease Outbreaks
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England / epidemiology
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Female
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France / epidemiology
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Humans
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Incidence
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Infant
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Influenza A virus / isolation & purification*
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Influenza B virus / isolation & purification*
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Influenza, Human / complications*
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Influenza, Human / epidemiology
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Male
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Population Surveillance
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Retrospective Studies
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Reverse Transcriptase Polymerase Chain Reaction
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Seasons
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Streptococcal Infections / complications*
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Streptococcal Infections / epidemiology
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Streptococcus pyogenes / isolation & purification*