Exhaled Air Dispersion during Coughing with and without Wearing a Surgical or N95 Mask

David S.C. Hui, Benny Chow, Leo Chu, Susanna S. Ng, Nelson Lee, Tony Gin, Matthew T.V. Chan

PLoS ONE · 2012 · 158 citations · 35 references

DOIFull text

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Abstract

Normal cough produced a turbulent jet about 0.7 m towards the end of the bed from the recumbent subject. N95 mask was more effective than surgical mask in preventing expelled air leakage during coughing but there was still significant sideway leakage.

References

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