1. From the Murdoch Children’s Research Institute and the Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne (T.N.), and Seqirus Clinical Development, Parkville (V.M.) — both in VIC, Australia; Seqirus Clinical Development, Amsterdam (A.C.F., M.H., W.V.); Seqirus Clinical Development, Cambridge, MA (B.L., I.S., J.M.E.); the Clinical Research Center, Tartu, Estonia (A.P.); the University of the Philippines, Manila (L.C.B.); and Hedwig of Silesia Hospital, Trzebnica, Poland...