Daily Covid BriefingSept. 12, 2021Updated Sept. 13, 2021, 1:17 p.m. ETSept. 13, 2021, 1:17 p.m. ETA classroom at Yung Wing School P.S. 124 that a teacher is preparing for the start of the school year in New York City.Credit…Michael Loccisano/Getty ImagesAs New York City’s public schools prepare to welcome roughly one million students Monday, many returning…
