3 ms·
> Also, the authors don't explain how pre-pandemic mask wearing is different than pandemic mask wearing. Frequency and duration are one difference. My understa
by tonyarkles 4y ago
> Also, the authors don't explain how pre-pandemic mask wearing is different than pandemic mask wearing.
Frequency and duration are one difference. My understanding is that pre-pandemic Asian mask wearing is generally limited to the time a person was ill, not months at a time for 8+ hours a day.