Ferson, Mark, Lorraine Young, Geoff Hansen, Jeff Post, John Tapsall, Tiffany Shultz, Athena Limnios, et al. “Unusual Cluster of Mild Invasive Serogroup C Meningococcal Infection in a University College”. Communicable Diseases Intelligence 23 (September 30, 1999): 261–264. Accessed April 3, 2026. https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2342.