No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Communicable Diseases, Emerging / epidemiology*
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Communicable Diseases, Emerging / virology
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Disease Outbreaks*
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Humans
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Incidence
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Influenza A Virus, H1N1 Subtype
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Influenza, Human / epidemiology*
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Influenza, Human / virology
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Internet*
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Pandemics*
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Population Surveillance / methods
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Prevalence
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Singapore / epidemiology