Mask efficacy vs. adherence.
To reduce viral transmission (R0), you don’t need perfect masks (though you should want a better one for your own safety), nor do you need everyone to wear one. You need a reasonable mix of both.
Mask efficacy vs. adherence.
To reduce viral transmission (R0), you don’t need perfect masks (though you should want a better one for your own safety), nor do you need everyone to wear one. You need a reasonable mix of both.