Immunogenicity and safety of a monovalent Omicron XBB.1.5 SARS-CoV-2 recombinant spike protein vaccine in previously unvaccinated, SARS-CoV-2 seropositive participants: primary day-28 analysis of a phase 2/3 open-label study.
Alves K, Kouassi A, Plested JS, et al.