No author listed. Communicable Diseases Intelligence volume 14 issue 24 - 3 December 1990 - whole issue. Commun Dis Intell (2018) [Internet]. 1990 Dec. 3 [cited 2026 Apr. 23];14:1-25. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2958