The Slo Mo Guys specialize in taking everyday occurrences and slowing them down … way down, so that we can see them in a new way. In this clip, they let you see what happens when you talk without a mask, and then with a mask–all in order to demonstrate why a mask helps prevent the transmission of COVID-19, a disease that’s mainly spread when people are exposed to respiratory droplets carrying infectious virus. Around the 4 minute mark, the host is joined by Dr. Anthony Fauci, who offers commentary on the footage.
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