3 ms·
Asian countries already used them at the time, not because of COVID. Unfortunately it appears that no one had researched this phenomenon so there were no good
by kwhitefoot 5y ago
Asian countries already used them at the time, not because of COVID. Unfortunately it appears that no one had researched this phenomenon so there were no good statistics on whether, or not, they were effective.
- pmarreck 5y agoSurgeons have used surgical masks for... 100 years? Are you sure there's no evidence to back that up?
- kwhitefoot 5y agoOperating theatres and streets are radically different environments. The surgeon is leaning over the patient and breathing directly toward an open wound so of course it makes sense for a surgeon to wear a mask. That's not what happens in the street.