I did research this topic many years ago during the bird flu panic, and the short answer is yes, a PROPERLY USED N95 mask prevents infection. The properly used part is quite tricky though, for example you touch the…
I did research this topic many years ago during the bird flu panic, and the short answer is yes, a PROPERLY USED N95 mask prevents infection. The properly used part is quite tricky though, for example you touch the…