1. From the Naval Medical Research Center, Silver Spring (A.G.L., C.G., D.L.W., L.E., W.D.G., R.G., F.J., J.M., E.N., B.L.P., C.P., J.R., E.S.A., M.P.S., V.S., C.W.) and the Infectious Disease Clinical Research Program, Uniformed Services University (E.V.M.), Bethesda — both in Maryland; the Naval Medical Research Unit 6, Lima, Peru (R.L., S.L.); the Departments of Neurology (I.R., Y.G., M.-C.G., A.K., N.M., V.D.N., G.N., S.R., A.S.-S., S.V., S.C.S.) and Genetics and Genomic Sciences (A.O., J.D., E.E., A.S...