On Nov. 18, 2022, Novavax announced that Health Canada had granted expanded authorization for Nuvaxovidﾙ (COVID-19 Vaccine (Recombinant protein, Adjuvanted)) (NVX-CoV2373) for active immunization to prevent coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a homologous booster in adults aged 18 and older.