A Phase IV Open-Label, Non-Randomized, Multi-Cohort, Multicenter Study in Previously Unvaccinated Immunocompromised Adults to Determine the Immunogenicity and Safety of AZD1222 Vaccine for the Prevention of COVID-19. (VICTORIA) First published 19/01/2022 Last updated 23/04/2024 EU PAS number:EUPAS44425 Study Finalised