1. From the Oxford University Clinical Research Unit (M.S., S.D., A.K., B. Basnyat), Patan Academy of Health Sciences, Patan Hospital (D.P., M.G., S.S.), the Nepal Family Development Foundation (A.A.), and Wasa Pasa Polyclinics Private, Lalitpur (B. Bajracharya) — all in Kathmandu; the Oxford Vaccine Group, Department of Paediatrics, University of Oxford, and the National Institute for Health Research Oxford Biomedical Research Centre, Oxford (R.C.-J., K.T.-N., M.V., N.S., X.L., S.T., O.M., Y.G.F., J.C., J...