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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Why are people in this thread saying masks don’t work when the studies show otherwise?  University of Michigan examined masking in schools and found spread was 62% higher in schools without masks.

https://www.abc12.com/coronavirus/university-of-michigan-study-shows-mask-mandates-at-schools-show-lower-covid-transmission-rates/article_9dfcd525-94d5-50cb-9b00-ac1c2171d7fe.html[/quote]

Where’s the study? Is it peer reviewed? It is science? After the CDC itself had to walk back it’s own cherry-picked “studies” when it was called out for lack of scientific standards, I don’t trust a local news story in Michigan about supposed study.[/quote]

This is a terrible study because it ran from August to October, when Michigan case-rates were way down. If they ran it again today they'd find that schools with masking (like Detroit) have many more cases, and fully virtual schools (like Flint) would have the highest cases of all! We wouldn't read that of course, because we would say things like "correlation doesn't equal causation", or "you can't run a short-term study on a virus with pronounced seasonality". But if the results run the other way you don't hear that criticism. Odd.

The study also fails to control for level of infection in schools above or below the community at large. That way you'd be able to see if the masks were actually reducing spread, or if a masking policy is just a heuristic for how seriously a community takes COVID in general. If the study did that, they would probably find what CDC and WHO has admitted they've found elsewhere: school case rates reflect or are just below the case rates of the community at large. And once you've shown THAT it would really throw into question whether the masks are actually doing anything. [/quote]

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