3 ms·
Correct. It was always said if someone was sick they should wear a mask (more studies have come out confirming this). Once asymptomatic became such a big transm
by matwood 6y ago
Correct. It was always said if someone was sick they should wear a mask (more studies have come out confirming this). Once asymptomatic became such a big transmission vector it made sense for everyone to wear a mask. PPE was/is still an issue, so cloth masks were also questionable early on, but have since shown effectiveness.
https://jamanetwork.com/journals/jama/fullarticle/2768532 https://jamanetwork.com/journals/jama/fullarticle/2768532