1. From the University of Colorado School of Medicine, Aurora (M.J.L.); North Manchester General Hospital, Manchester (A.U.), Biometrics (A.T., S.S.) and Clinical Development (R.B., G.C.K.W.K.), Vaccines and Immune Therapies, Biopharmaceuticals Research and Development (M.N.P.), AstraZeneca, Cambridge, and Mounts Bay Medical, Penzance (A.E.) — all in the United Kingdom; the Division of Infectious Diseases, Saint-Pierre University Hospital, Université Libre de Bruxelles, Brussels (S.D.W.); Université de...