No abstract available
MeSH terms
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Blood Donors / statistics & numerical data
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Disease Outbreaks / statistics & numerical data
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Humans
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Influenza A Virus, H1N1 Subtype*
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Influenza, Human / epidemiology
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Influenza, Human / etiology*
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Influenza, Human / transmission
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Japan / epidemiology
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Reverse Transcriptase Polymerase Chain Reaction
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Risk Factors
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Transfusion Reaction*