1. From Cincinnati Children’s Hospital, Cincinnati (R.W.F.); Kaiser Permanente Vaccine Study Center, Oakland (N.P.K.), and the California Research Foundation, San Diego (D.M.B.) — both in California; Vaccine Research and Development, Pfizer, Hurley, United Kingdom (N.K., S.L., R.B.); Vaccine Research and Development, Pfizer, Pearl River (A.G., J.A., K.A.S., K.K., W.V.K., D.C., P.R.D., K.U.J., W.C.G.), and SUNY Upstate Medical University, Syracuse (S.J.T.) — both in New York; Vaccine Research and Development...