Change after second dose through the end of study in antibody titers;Change in safety chemistry blood lab values for assessment of risk in Phase 3;Change in safety hematology blood lab values for assessment of risk in Phase 3;Prevention of SARS-CoV-2 infection in adults;The incidence of local reactions, solicited systemic events, AEs, MAAEs, SAEs and AESIs

Change after second dose through the end of study in antibody titers;Change in safety chemistry blood lab values for assessment of risk in Phase 3;Change in safety hematology blood lab values for assessment of risk in Phase 3;Prevention of SARS-CoV-2 infection in adults;The incidence of local reactions, solicited systemic events, AEs, MAAEs, SAEs and AESIs