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> There's never been a question about efficacy of masks. Absolutely wrong. There is no evidence that the typical masks worn prevent any spread. There is some e
by insickness 3y ago
> There's never been a question about efficacy of masks.
Absolutely wrong. There is no evidence that the typical masks worn prevent any spread. There is some evidence that N95s prevent spread, but most people don't wear those.
https://www.fiercehealthcare.com/providers/do-masks-really-protect-against-covid-19-meta-analysis-authors-want-see-more-evidence https://www.fiercehealthcare.com/providers/do-masks-really-p...
- c0nducktr 3y agoI'd wager the guy who's still wearing a mask in 2013 is wearing at least an N95. I'll also wager when they're talking about masks, they're talking about N95 or better masks. Edit: Oh, shit what do you know. They're wearing a P100 respirator.
- defrost 3y agoThe closing paragraph on your link that heavily cites the Cochrane Library meta-analysis: “After all masking and public health measures stopped SARS-1 in its tracks in Toronto, I would view the Cochrane Library meta-analysis findings with a large degree of skepticism.” and buried within: “Meta-analysis is a less than optimal methodology to apply to the issue of masking. Almost all included studies varied widely in their methodology, since it is very hard to ethically have a non-masking control group.”