Mathematical modeling and optimal control approaches for dengue

Iranian Journal of Numerical Analysis and Optimization

مقاله 15، دوره 15، Issue 1 - شماره پیاپی 32، خرداد 2025، صفحه 396-423   

نوع مقاله: Research Article

شناسه دیجیتال (DOI): 10.22067/ijnao.2024.90023.1529

نویسندگان

M. Baroudi^{* 1}؛ H. Gourram¹؛ M. Alia²؛ A. Labzai¹؛ M. Belam¹

¹Laboratory of Analysis Modeling and Simulation, Department of Mathematics and Computer Science, Faculty of Sciences Ben M’sik, Hassan II University of Casablanca, Morocco.

²Laboratory of Mathematics and Population Dynamics (LMPD), Faculty of Sciences Semlalia-Marrakech (FSSM), Cadi Ayyad University, Morocco.

چکیده

This research explores a continuous-time mathematical model that outlines the transmission dynamics of the dengue virus across different regions, in-volving both human and mosquito hosts. We propose an optimal strat-egy that includes awareness campaigns, safety measures, and health inter-ventions in dengue-endemic areas, with the goal of reducing transmission between individuals and mosquitoes, thus lowering human infections and eliminating the virus in mosquito populations. Utilizing the discrete-time Pontryagin’s maximum principle, we identify optimal control measures and employ an iterative approach to solve the optimal system. Numerical sim-ulations are carried out using MATLAB, and a cost-effectiveness ratio is computed. Through an in-depth cost-effectiveness analysis, we highlight the effectiveness of strategies focused on protecting at-risk populations, pre-venting contact between infected humans and mosquitoes, and promoting the use of quarantine facilities as the most powerful methods for controlling the spread of the dengue virus.

کلیدواژه‌ها

Optimal control؛ Dengue virus؛ Spread of dengue

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