1. From the Vanderbilt Vaccine Research Program, Department of Pediatrics, Vanderbilt University Medical Center (C.B.C.), and Meharry Medical College (V.B.) — both in Nashville; the Center for Childhood Infections and Vaccines of Children’s Healthcare of Atlanta and the Department of Pediatrics, Emory University School of Medicine — both in Atlanta (E.A.); the Department of Pediatrics, Yale School of Medicine, the Department of Epidemiology of Microbial Diseases, Yale School of Public Health, and the Yale...