If a mask blocks carbon dioxide, it will be fantastic against COVID-19. And a mask doesn't have to be able to block individual viruses to reduce transmission.
Masks, molecules, COVID-19, and their relative size
Tag: virus
Navigating the maze of life demands focus, perspective, & kung fu
If a mask blocks carbon dioxide, it will be fantastic against COVID-19. And a mask doesn't have to be able to block individual viruses to reduce transmission.
