OMG… I can’t believe it…
New @CDCgov study says:
⬇️56% lower risk of infection—Cloth masks
⬇️66% lower risk—Surgical masks
⬇️83% lower risk—N95/KN95 respirators
It’s as if… like… maybe… masks work? #COVIDisAirborne #MaskUp
cdc.gov/mmwr/volumes/7…
2) this is why we can’t arbitrarily just decide COVID is over and don’t need mitigations anymore. Pandemic doesn’t work like that. A virus will keep doing virus thing if we let it.
3) Here is how to find the best quality masks. They aren’t created equal. And there are many more kinds beside N95.
4) Let’s take every airborne precaution possible against COVID. It’s too early to drop out guard against COVID. Let’s keep masks for all indoor activities if there is poor ventilation or air disinfection—most places indoors—until cases low.
5) Double masking has benefits over just one mask. But double masking also depends if it’s the exhaling person or inhaling person. See thread 🧵 below.
6) Tightening the fit matters too. A tight fit is important against leakage. See video 👇
7) PROTECTION time from different types of masks and how they combine if one or two people wear such masks. From 15 min to 25 hours if both wear KN95/FFP2! elpais.com/sociedad/2022-…
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