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I’ll admit, I wasn’t bullish on #Masks at the outset. The data was fuzzy. Then science happened—now it’s not: This study uses best evidence to model #COVID19 spread. 80% masking VASTLY reduces spread—even 50% does not. We need #Masks4All https://arxiv.org/pdf/2004.13553.pdf
Unofficial archive, not affiliated with Abdul El-Sayed or X Corp. Rebuilt from a Wayback Machine capture; counts are as of that capture.