Case Definitions Working Group. “Revised Surveillance Case Definitions: Hepatitis A; Barmah Forest Virus Infection; Yellow Fever; Dengue Virus Infection; Ross River Virus Infection; Leprosy; Legionellosis”. Communicable Diseases Intelligence 36 (December 1, 2012): 345–352. Accessed April 7, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1368.