Facemasks block expired particles, despite leakage at edges
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8 June 2021Facemasks block expired particles, despite leakage at edges
A new study from the University of California, Davis and the Icahn School of Medicine at Mount Sinai confirms that surgical masks effectively reduce outgoing airborne particles from talking or coughing, even after allowing for leakage around the edges of the mask. The results are published June 8 in Scientific Reports.
