No author listed. Communicable Diseases Intelligence volume 3 issue 25 - 21 December 1979 - whole issue. Commun Dis Intell (2018) [Internet]. 1979 Dec. 21 [cited 2026 Apr. 14];3:1-12. Available from: https://ojs.cdi.cdc.gov.au/index.php/cdi/article/view/3239