We had our elementary school kid wear a KN95 mask in school this year, except during meals of course, and he got sick only once or twice whereas all of his friends in class were sick every few weeks and having to miss…
We had our elementary school kid wear a KN95 mask in school this year, except during meals of course, and he got sick only once or twice whereas all of his friends in class were sick every few weeks and having to miss…