3 ms·
the problem is that masks have a minor effect at best thus in no way represent the solution so many seek
by glofish 6y ago
the problem is that masks have a minor effect at best thus in no way represent the solution so many seek
- atemerev 6y agoNot “a minor effect”, they seem to improve Rt more or less significantly (according to preliminary studies). But they are probably not enough on their own.