No author listed. Communicable Diseases Intelligence volume 14 issue 4 - 26 February 1990 - whole issue. Commun Dis Intell (2018) [Internet]. 1990 Feb. 26 [cited 2026 Apr. 12];14:1-15. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/2937