Sci Show: Research has found medical masks without modification blocked >56% of cough aerosols and >42% of exhaled aerosols; comparatively, placing a cloth mask over a medical mask blocked ≥85% of cough aerosols and ≥91% of exhaled aerosols

Sunday, December 19, 2021

Research has found medical masks without modification blocked >56% of cough aerosols and >42% of exhaled aerosols; comparatively, placing a cloth mask over a medical mask blocked ≥85% of cough aerosols and ≥91% of exhaled aerosols

https://ift.tt/3GZEzI7 via /r/science https://ift.tt/3p9oJVq

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