No author listed. Communicable Diseases Intelligence volume 4 issue 19 - 26 September 1980 - whole issue. Commun Dis Intell (2018) [Internet]. 1980 Sep. 26 [cited 2026 Apr. 18];4:1-12. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3207