1. From the Centre for Global Health Research, Kenya Medical Research Institute (T.K.K., S.K., N.A.K., E.D.O., K.O., F.O.K.), and the Kisumu County Department of Health, Kenya Ministry of Health (T.K.K.) and the Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention (CDC) (A.M.S., M.R.D.) — all in Kisumu; the Department of Clinical Sciences, Liverpool School of Tropical Medicine (T.K.K., V.W., D.W., F.O.K.), and the Department of Biostatistics, University of Liverpool (V.W.),...