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Face Masks and Hand Hygiene Can Help Limit Spread

In an influenza pandemic, vaccination may not be initially available, and antiviral prescribing may be limited, which is why scientists need to understand how effective other measures are in preventing influenza. For the study, researchers from the University of Michigan School of Public Health, led by Allison E. Aiello, recruited more than 1,400 college students living in university residence halls during the 2006-2007 influenza season. Participants were assigned to one of three groups: those who wore face masks, those who...

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