COVID-19 transmission rare in schools with masking, distancing, contact tracing

(Washington University School of Medicine) Wearing masks, social distancing and frequent hand-washing have kept in-school COVID-19 transmission low, according to results of a pilot study in Missouri aimed at identifying ways to keep elementary and secondary schools open and safe during the pandemic. The study is part of a larger, ongoing collaboration involving Washington University School of Medicine in St. Louis, the Centers for Disease Control and Prevention, and other groups.