Iyalla, Caroline, ADEBAYO OSEIKHUEMEN EJELE, Dorathy Adaunwo Okoh, and Elizabeth Igbigbi. “ NIGERIA”. African Journal of Infectious Diseases (AJID) 9, no. 2 (April 17, 2015): 57–60. Accessed July 15, 2025. https://journals.athmsi.org/index.php/AJID/article/view/2705.