3 ms·
> This study did not aim to verify whether surgical or cloth masks are able to shorten the trajectory of droplets emitted through coughing. This seems like a v
by majormajor 6y ago
> This study did not aim to verify whether surgical or cloth masks are able to shorten the trajectory of droplets emitted through coughing.
This seems like a very limited study, since so much of the discussion about masks as a way of preventing spread has resolved around the known cases of one person spreading the virus to a big crowd of others in a confined indoor space.