de Kluyver, Rachel, and Enhanced IPD Surveillance Working Group. “Invasive Pneumococcal Disease Surveillance Australia, 1 July to 30 September 2013”. Communicable Diseases Intelligence 37 (December 1, 2013): 448–452. Accessed April 3, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1307.