Impressively, we’re already getting peer reviewed studies assessing the effectiveness of mask requirements for the Fall 2021 school year. Last week, three rigorous were released… Impact on cases In the first study, scientists assessed pediatric county case rates in schools with and without school mask requirements from July 1–September 4, 2021. They looked at all 3,142 U.S. counties but only analyzed schools if they had a clear mask policy (using this amazing
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