1. From the Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, and the Center for Climate, Health, and the Global Environment, Harvard T.H. Chan School of Public Health, Boston (R.N.S.), and the Harvard Global Health Institute, Cambridge (R.N.S.) — all in Massachusetts; and the Center for Disaster and Extreme Event Preparedness, University of Miami Miller School of Medicine, Miami (J.M.S.).