THANK YOU. It's a proof-of-concept study, not actually a systematic study of different types of masks. That said, it found what you would expect even in a proof-of-concept study: N95s filter the best; cloth/surgical masks are fine, neck gaiters probably depend on how you wear it.https://twitter.com/katherineefoley/status/1293938650221289472 …
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Hey, update on gaiter-gate. Doubled over is best. And this one is for real. (Would be nice to have replication.) And please! Let’s tone it down a bit on n=1 reporting.

#gaiterswereinnocenthttps://twitter.com/linseymarr/status/1294813717373345798 …
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