> There is nothing in this report about the effectiveness of masks on an individual level. The DANMASK RCT [1] provided a direct test of masks as personal prot

> There is nothing in this report about the effectiveness of masks on an individual level. The DANMASK RCT [1] provided a direct test of masks as personal protective equipment, and found no support for masks. The criticism of that study, at that time, was that it didn't test the hypothesis of protecting others. So here we have an RCT that tests that hypothesis, and now that's not good enough, because the results aren't "at an individual level"? Boy, the ground sure is slippery around here! [1] https://www.acpjournals.org/doi/10.7326/M20-6817 https://www.acpjournals.org/doi/10.7326/M20-6817