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BUT.. the study is NOT about stopping the spread of Covid. Its about mask effectiveness for the wearer. Thats it. Now.. we could understand if your mistake was just ignorance. But given your stated research background.. we can only conclude that you meant to deceive people into thinking that the study spoke about community spread and mask effectiveness.Here's exactly what I stated and it is at the top of your post above so anyone can check it out to see you are pretending I claimed things I did not in fact claim.
1. "It seems a lot of faith in face masks being worn by the public being effective for stopping the spread of SARS-CoV-2"
2. True but they are not as effective as randomized controlled clinical trials at establishing causality.
Whoa there cowboy... FIRST you said that observational studies were not able to establish causality. Now you admit they can. Now again.. if your mistake was just ignorance..we could understand. BUT given your stated research background.. you should KNOW that observational studies can establish causality and thus we can only conclude that your meant to again deceive people.
3. And the best for last:
Your point here escapes me but your suggestion I read the conclusions of the authors is pointless as I already read the entire study. Here are the study conclusions:
"The recommendation to wear surgical masks to supplement other public health measures did not reduce the SARS-CoV-2 infection rate among wearers by more than 50% in a community with modest infection rates, some degree of social distancing, and uncommon general mask use. The data were compatible with lesser degrees."
Hmm... read the entire study did you?
Then its interesting that you forgot to include this:
From the study:
The findings, however, should not be used to conclude that a recommendation for everyone to wear masks in the community would not be effective in reducing SARS-CoV-2 infections, because the trial did not test the role of masks in source control of SARS-CoV-2 infection.
https://www.acpjournals.org/doi/10.7326/m20-6817Our results suggest that the recommendation to wear a surgical mask when outside the home among others did not reduce, at conventional levels of statistical significance, the incidence of SARS-CoV-2 infection in mask wearers in a setting where social distancing and other public health measures were in effect, mask recommendations were not among those measures, and community use of masks was uncommon. Yet, the findings were inconclusive and cannot definitively exclude a 46% reduction to a 23% increase in infection of mask wearers in such a setting. It is important to emphasize that this trial did not address the effects of masks as source control or as protection in settings where social distancing and other public health measures are not in effect.
Now again.. we would let Paradox slide.. because he doesn;t know anything about science and research. But you.. you are supposedly an expert on research and as you said.. READ THE ENTIRE STUDY.
So.. the only conclusion we can make regarding the omission you made to the conclusions of the authors.. that their finding SHOULD NOT but used to conclude that wearing masks in the community would not be effective in reducing spread..
The only conclusion we can come to is that you again.. are attempting to deceive people.