“Transmission Dynamics of Dengue–Zika Co-Infection With Antibody-Dependent Enhancement, Cross-Immunity, and Vaccination: Backward Bifurcation Analysis and Data Calibration”. Journal of the Nigerian Society of Physical Sciences 8, no. 3 (July 30, 2026): 3405. Accessed September 26, 2026. https://www.journal.nsps.org.ng/index.php/jnsps/article/view/3405.