A trio of new studies demonstrate low risk of COVID-19 infection and spread in schools, including limited in-school COVID-19 transmission in North Carolina, few cases of the coronavirus-associated multisystem inflammatory syndrome in children (MIS-C) in Swedish schools, and minimal spread of the virus from primary school students in Norway.Infection-control policies, transparencyIn the first study, published today in Pediatrics, a team led by researchers at Duke University traced contacts of North Carolina students infected with COVID-19 in 11 school districts in the first 9 weeks of in-person instruction in the fall.In August 2020, 56 of 115 North Carolina school districts joined the ABC Science Collaborative to put in place specific