RecruitingPhase 1Biological interventionSafety and Immunogenicity Study of Revaccination With SCB-1019T in Healthy AdultsCLO-SCB-1019-002 is the first study of SCB-1019T vaccine for revaccination in older adults who were previously vaccinated with AREXVY. The safety, tolerability and immunogenicity of SCB-1019T are assessed.