No authors listed. Communicable Diseases Intelligence volume 21 issue 11 - 29 May 1997-whole issue. Commun Dis Intell (2018) [Internet]. 1997 May 29 [cited 2026 Apr. 22];21:145-60. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/1049