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UCLA study says 70% reduction in risk for those who always wear a facemask
Tuesday January 19, 2021. 05:09 PM , from BoingBoing
A UCLA study, again, shows facemasks are a fantastic tool in our global battle against COVID-19.
NBC4LA: The researchers came to a variety of conclusions, including:Face masks were 79% effective in preventing transmission, if they were used by all household members prior to symptoms occurring. — Read the rest
https://boingboing.net/2021/01/19/ucla-study-says-70-reduction-in-risk-for-those-who-always-wear-a-f...
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