The Platform Trial In COVID-19 Priming and BOOsting (PICOBOO): the immunogenicity, reactogenicity, and safety of different COVID-19 vaccinations administered as a second booster (fourth dose) in AZD1222 primed individuals aged 50-<70 years old.
Caroline Mcleod,Dymock,Katie L. Flanagan,Magdalena Plebanski,Helen Marshall,Marie J. Estcourt,M. Christian Tjiam,Christopher C. Blyth,Kanta Subbarao,Francesca L. Mordant,Suellen Nicholson,Saul N. Faust,Ushma Wadia,R B Thornton,Zoe Ellis,Andrew N. J. McKenzie,J A Marsh,Thomas Snelling,Peter Richmond