3 ms·
The water droplets are several orders of magnitude larger than the virus, but still small enough for some of them to fit through the gaps in a cloth mask (but a
by jacobolus 4y ago
The water droplets are several orders of magnitude larger than the virus, but still small enough for some of them to fit through the gaps in a cloth mask (but almost none make it past an N95 mask).
The cloth mask still stops the vast majority of such drops, cutting risk significantly compared to no mask.