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Face masks don’t even have to work especially well to be effective | Ars Technica
But to stop the pandemic, they have to be combined with lockdowns.
wuflu
June 13, 2020 at 4:18:39 AM UTC ·
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https://arstechnica.com/science/2020/06/modeling-the-impact-of-face-masks-on-the-covid-19-pandemic/
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