Reopening Primary Schools during the Pandemic

[1 ]From the Harvard Graduate School of Education, Cambridge (M. Levinson), and the Center for Communicable Disease Dynamics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston (M. Lipsitch) — both in Massachusetts; and the Division of Infection and Global Health Research, School of Medicine, University of St. Andrews, Fife, United Kingdom (M.C.).