No author listed. Communicable Diseases Intelligence volume 4 issue 7 - 11 April 1980 - whole issue. Commun Dis Intell (2018) [Internet]. 1980 Apr. 11 [cited 2026 Apr. 14];4:1-13. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3194