"What do we know about masks and their effectiveness in schools?The American Academy of Pediatrics — as well as many doctors and scientists — support universal masking policies as the best chance to keep schools safely open. A properly fitted mask that covers the nose and mouth reduces the amount of viral droplets in the air exchanged by people breathing or talking near each other, said Dr. Ibukun Kalu, a pediatric infectious diseases expert at Duke University Medical Center.Several studies have shown the effectiveness of masks. One of the largest, conducted by the ABC Collaborative with Duke University, analyzed data from North Carolina public schools where masks were required. Researchers found that from March to June, 7,000 children and adults attended school while infectious with COVID, leading to 40,000 “close contacts” being quarantined. Of those, only 363 contracted the virus.That low rate of in-school transmission was due in large part to masks, Kalu said, as most schools didn’t upgrade ventilation or socially distance students."
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"The new guidance from @MASchoolsK12 in line with the Commissioner's conferred authority is now online: https://t.co/C84yY6vSMF " #MAEdu
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