1. From the Department of Biostatistics, University of Washington Clinical Trial Center, Seattle (A.-S.G., R.S., J.H., S.M.); the University of North Carolina Project, Lilongwe Medical Relief Fund Trust, Tidziwe Centre (T.M., M.P., C.B.N.), and Acute Respiratory Infection and Emergency Triage Assessment and Treatment, Malawi Ministry of Health (N.L.), Lilongwe, and the Department of Pediatrics and Child Health, College of Medicine, University of Malawi, Blantyre (A.P.) — all in Malawi; Save the Children,...