No authors listed. Communicable Diseases Intelligence volume 23 issue 9 - September 1999-whole issue. Commun Dis Intell (2018) [Internet]. 1999 Sep. 2 [cited 2026 Apr. 17];23:237-60. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1001