No author listed. Communicable Diseases Intelligence volume 4 issue 24 - 5 December 1980 - whole issue. Commun Dis Intell (2018) [Internet]. 1980 Dec. 5 [cited 2026 Apr. 9];4:1-15. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3212