1. From the Department of Global HIV, Hepatitis, and Sexually Transmitted Infections Programmes, World Health Organization, Geneva (N.F.); the Centre for Infectious Disease Epidemiology and Research, University of Cape Town, Cape Town, South Africa (N.F.); TB and HIV Team, Division of Global Health, the Bill and Melinda Gates Foundation, Seattle (P.E.); and the Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, and the...