Adam Kucharski. (2022, February 8). Below figure being widely shared (from: Https://cdc.gov/mmwr/volumes/71/wr/mm7106e1.htm), but think it’s important to include uncertainty (i.e. 95% confidence intervals) when reporting estimates: Cloth mask: 56% (-17%-83%) lower odds than no mask Surgical mask: 66% (10%-87%) N95/KN95: 83% (36%-95%) https://t.co/SkPhF7CAJf [Tweet]. @AdamJKucharski. https://twitter.com/AdamJKucharski/status/1490946644837543938

Duncan, S., Bodurtha, P., & Naqvi, S. (2021). The protective performance of reusable cloth face masks, disposable procedure masks, KN95 masks and N95 respirators: Filtration and total inward leakage. PLOS ONE, 16(10), e0258191. https://doi.org/10.1371/journal.pone.0258191

“Still Using a Cloth Mask? Upgrade to an N95 or P100!” Accessed February 28, 2021. https://www.microcovid.org/blog/masks.