Still Confused About Masks? Here’s the Science Behind How Face Masks Prevent Coronavirus | UC San Franciscohttps://www.ucsf.edu/news/2020/06/417906/still-confused-about-masks-heres-science-behind-how-face-masks-prevent …
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A lot of these studies are either not peer reviewed, retracted, not actual studies, or advocating for the use of masks in addition to further precautions such as face shields and meticulous hand washing...
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