Infectious Diseases Society of America

Study finds surgical masks provided effective protection of health-care workers against H1N1

Published in Medical Letter on the CDC and FDA, April 18th, 2010

The effectiveness of ordinary surgical masks as opposed to respirators in protecting health care workers against the 2009 H1N1 influenza virus has been the subject of debate. An observational study published in the April 1, 2010 issue of Clinical Infectious Diseases, available online suggests that surgical masks are just as effective as respirators in this regard.

Researchers analyzed the incidence of H1N1 among health care workers from April through August of 2009 at Tan Tock Seng Hospital in Singapore. A small percentage tested positive for H1N1 during this period. None had cared for any patients with H1N1 or...

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Source: Medical Letter on the CDC and FDA (2010-04-18)

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