1. From the Department of Clinical Medicine and Therapeutics (L.A.O., J.P., J.N., J.M., M.M., C.O.) and the Center for Epidemiological Modeling and Analysis (L.A.O.), University of Nairobi, the Institute of Mathematical Sciences, Strathmore University (C.O.), Kenyatta National Hospital (R.N., S.W., P.M., S.E.), and the National AIDS and STI Control Program, Ministry of Health (M.K., C.N.), Nairobi, and Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu (F.N., R.A.) — all in Kenya; the Department...