1. From the London School of Hygiene and Tropical Medicine (R.J.H., S. Floyd, K. Sabapathy, A.S., B.K., D.M., V.B., J.R.H., H.A.), Imperial College London (K.H., S. Fidler), and the National Institute for Health Research Imperial Biomedical Research Centre (S. Fidler), London, and the University of Oxford, Oxford (C.F.) — all in the United Kingdom; the Fred Hutchinson Cancer Research Center, Seattle (D.D., T.S., E.W., L.E.); the Desmond Tutu Tuberculosis Center, Department of Pediatrics and Child Health,...