Akponana EB, Arierhie EO, Egbune NJ, Okedoye AM. Mathematical Modelling of Diphtheria Transmission Dynamics for Effective Strategies of Prevention and Control with Emphasis on Vaccination and Vaccine-Induced Immunity. IJRIS. 2023;1(4):5-14. Accessed December 3, 2024. https://journal.ijris.com/index.php/ijris/article/view/18