RALEIGH, N.C. (WNCN) – Earlier this month, the CDC’s new guidance said two masks were better than one. UNC Chapel Hill scientists put that guidance to the test in their own labs. “I had my skepticism ...
School districts across the world implemented mask mandates for children in the hope of reducing COVID-19 transmission, but the impact of school-based mask mandates on COVID-19 transmission in ...
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