COVID KN95 vs Surgical Masks

Credit: University of Waterloo

Study supports widespread use of better masks to curb

Video made by Waterloo Engineering researchers shows how much aerosol-laden exhalation flow escapes unfiltered when wearing (left to right) no mask, a KN95 mask and a surgical mask.

Previous research has found that aerosols dispersed by infected people are a source of transmission of the DOI: 10.1063/5.0057100

Yarusevych collaborated with Sean Peterson, also a Waterloo professor of mechanical and mechatronics engineering, and engineering PhD students Yash Shah and John Kurelek.

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