Hull, Brynley, Alexandra Hendry, Aditi Dey, Julia Brotherton, Kristine Macartney, and Frank Beard. “Annual Immunisation Coverage Report 2020 17 September 2021”. Communicable Diseases Intelligence 46 (September 26, 2022). Accessed April 24, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/526.