Szanyi J, Yang Y, Zeng J, Clarke C, Buttery A, Blakely T. Effectiveness of COVID-19 vaccine booster doses in adults aged 50 years and over during the Omicron period in Victoria, Australia. Commun Dis Intell (2018) [Internet]. 2026 Apr. 28 [cited 2026 Apr. 28];50. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3459