A mask is much more appropriate for someone who is infected and you're trying to prevent them from infecting other people than it is in protecting you against infection. If you look at the masks that you buy in a drug store, the leakage around that doesn't really do much to protect you. And for example, people start saying, should I start wearing a mask? Now, in the United States, there is absolutely no reason whatsoever to wear a mask.
Just reviewing some comments from Fauci, 2/17.