“Masks are really for infected people to prevent them from spreading infection to people who are not infected rather than protecting uninfected people from acquiring infection,” Fauci wrote in response to one person who was concerned about the use of masks on her upcoming trip.
“The typical mask you buy in the drug store is not really effective in keeping out virus, which is small enough to pass through material. It might, however, provide some slight benefit in keep out gross droplets if someone coughs or sneezes on you,” Fauci continued. “I do not recommend that you wear a mask, particularly since you are going to a very low risk location.”
If he had been that clear for the rest of us, he would have saved people a lot of trouble, even anguish and grief.
Blithe Spirit 