From what I've seen, the pro-mask studies are always in controlled, small group environments like a hospital or a sick household. The studies looking at broad use in the population always show no effect. But fuck context, right?
Or many of them are based off an assumed mechanistic reduction, and then, they statistics a bunch of stuff. But they don't prove anything or test anything regarding the assumed starting point.
All the masks studies that I've been able to find continue to say that the statistical reduction in infection was negligible.
One tried to claim a 20% reduction in masked population, but that was after combining N95 masks studies (like 10 in medical environments) and then 1 cloth study. THey claimed some amount of statistical know how to align the effectiveity of cloth masks and N95 at some theoretical level, but didn't have any study which actually evaluated 1 against the other, and I don't see how it could compare hospital environment to just out and around. Even then, the N95 studies in the hospital didn't achieve that great of a reduction in cases.
From what I've seen, the pro-mask studies are always in controlled, small group environments like a hospital or a sick household. The studies looking at broad use in the population always show no effect. But fuck context, right?
Or many of them are based off an assumed mechanistic reduction, and then, they statistics a bunch of stuff. But they don't prove anything or test anything regarding the assumed starting point.
All the masks studies that I've been able to find continue to say that the statistical reduction in infection was negligible.
One tried to claim a 20% reduction in masked population, but that was after combining N95 masks studies (like 10 in medical environments) and then 1 cloth study. THey claimed some amount of statistical know how to align the effectiveity of cloth masks and N95 at some theoretical level, but didn't have any study which actually evaluated 1 against the other, and I don't see how it could compare hospital environment to just out and around. Even then, the N95 studies in the hospital didn't achieve that great of a reduction in cases.
https://www.cambridge.org/core/journals/epidemiology-and-infection/article/face-masks-to-prevent-transmission-of-influenza-virus-a-systematicr-review/64D368496EBDE0AFCC6639CCC9D8BC05#
https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1750-2659.2011.00307.x
https://onlinelibrary.wiley.com/doi/epdf/10.1111/jebm.12381
https://www.cmaj.ca/content/188/8/567
https://academic.oup.com/cid/article/65/11/1934/4068747
https://jamanetwork.com/journals/jama/fullarticle/2749214
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31142-9/fulltext#%20 4% less cases is apparently, "large"
Apparently even though the science says, "masks are a nothing burger" we just don't trust that science... for some reason.
Yes, I've seen this too. It's so strange. They're looking only where they want to look.