The good thing about this story is that any time I see someone sharing it as evidence that wearing masks cuts Covid incidence by 53%, I know they haven’t read the paper it’s based on and aren’t fussed about the quality of evidence as long as it produces the right number 🙃 pic.twitter.com/V7LcJatdtA

— John Burn-Murdoch (@jburnmurdoch) November 18, 2021