No authors listed. Communicable Diseases Intelligence volume 23 issue 8 - August 1999-whole issue. Commun Dis Intell (2018) [Internet]. 1999 Aug. 6 [cited 2026 Apr. 18];23:209-36. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1000