Butler, Michelle, Benjamin Elton, and David M Durrheim. “Using Silent Area Analysis to Inform a COVID-19 Public Health Response in Hunter New England, Regional New South Wales”. Communicable Diseases Intelligence 47 (April 27, 2023). Accessed April 1, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/580.