Roche, Paul, Vicki Krause, Mark Bartlett, David Coleman, Heather Cook, Megan Counahan, Craig Davis, et al. “Invasive Pneumococcal Disease in Australia, 2003”. Communicable Diseases Intelligence 28 (December 31, 2004): 441–454. Accessed April 7, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1862.