Have you read this article? https://www.nytimes.com/2020/03/17/opinion/coronavirus-face-masks.html https://www.nytimes.com/2020/03/17/opinion/coronavirus-face-.

Have you read this article? https://www.nytimes.com/2020/03/17/opinion/coronavirus-face-masks.html https://www.nytimes.com/2020/03/17/opinion/coronavirus-face-... > Third, of course masks work — maybe not perfectly and not all to the same degree, but they provide some protection. Their use has always been advised as part of the standard response to being around infected people, especially for people who may be vulnerable.