How Many Face Masks Should I Wear To Prevent The Spread Of Covid-19?
Very Interesting|September/October 2021
Gail Bala, Pretoria

Face masks help stop the spread of COVID-19 in two ways. First, they disrupt the flow of air from your mouth and nose. If you’re infected with COVID-19, but wear a mask, your virus-containing respiratory droplets won’t spread as far.

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