No abstract available
Publication types
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Letter
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Randomized Controlled Trial
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Confidence Intervals
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Cross Infection / prevention & control
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Disease Outbreaks / prevention & control
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Female
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Humans
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Infectious Disease Transmission, Patient-to-Professional / prevention & control
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Influenza A Virus, H1N1 Subtype*
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Influenza Vaccines / therapeutic use*
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Influenza, Human / prevention & control*
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Male
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Masks
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Nurses / statistics & numerical data*
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Ontario / epidemiology
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Risk