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How effective is your face mask?

https://www.cnbc.com/video/2020/07/02/how-effective-is-your-face-mask.html?fbclid=IwAR0zQ03QVwx3ABqDHJSz_4yIp6yRFqqCTTzrzmpPIps7_bn7MMWP8H3BvwY

A new study shows just how well face masks stop the spread of droplets from coughs or sneezes. Researchers at Florida Atlantic University tested four types of masks: a bandana, a folded handkerchief, a cone mask and a homemade cotton mask. CNBC’s Andrea Day reports on their findings.
THU, JUL 2 20203:24 PM EDT

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