Surgical mask vs N95 respirator for preventing influenza among health care workers: a randomized trial. JAMA. 2009;302(17):1865-1871. doi:10.1001/jama.2009.1466ArticlePubMedGoogle ScholarCrossref 7. Rupp ME, Whitley R, Nutty C. Letter on Federal PPE Guidance. Washington, DC: Infectious ...
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KN95/N95/FFP2 FACE MASK The face mask is a kind of health and epidemic prevention product, which is worn at the mouth and nose to filter the air entering the mouth and nose, so as to block harmful gases, odors, droplets, viruses and other substances.The face mask ...
Analyses showed statistically significant differences between N95 respirator versus surgical mask use to prevent influenza-like-illness (risk ratio [RR]=0.81, 95% confidence interval [CI]=0.68-0.94,P<0.05), non-influenza respiratory viral infection (RR=0.62, 95% CI=0.52-0.74,P<0.05), respiratory...
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KN95/N95/FFP2 FACE MASK The face mask is a kind of health and epidemic prevention product, which is worn at the mouth and nose to filter the air entering the mouth and nose, so as to block harmful gases, odors, droplets, viruses and other substances.The face mask...