It doesn't hurt, of course, but focusing on that may lead people into thinking face coverings are less important. They are by far more important. "We conclude

It doesn't hurt, of course, but focusing on that may lead people into thinking face coverings are less important. They are by far more important. "We conclude that wearing of face masks in public corresponds to the most effective means to prevent interhuman transmission" [1] https://www.pnas.org/content/117/26/14857 https://www.pnas.org/content/117/26/14857