3 ms·
The last part is very true. The first part is not true. It's one of the surprising things we have discovered about this unusual pandemic. Unvented, even sing
by hcknwscommenter 6y ago
The last part is very true. The first part is not true. It's one of the surprising things we have discovered about this unusual pandemic. Unvented, even single layer, masks do offer some degree of protection to the wearer against COVID-19. Perhaps it just keeps your hands out of your face. Anything that lowers R0, even a little is beneficial. Masks work. Better masks work better.