Face masks, respirators might help during pandemic flu outbreak.
Mitka
Mike
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D002487:Centers for Disease Control and Prevention, U.S.; D004196:Disease Outbreaks / Q000517:prevention & control*; D017408:Guidelines as Topic; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D008397:Masks; D014481:United States; D012122:Ventilators, Mechanical