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All Journal Jambura Journal of Biomathematics (JJBM)
Mahsa Hamidi
Departmant of Mathematics and Natural Sciences, Technical University of Berlin, Berlin
Computer Science & IT Decision Sciences, Operations Research & Management Mathematics Public Health

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Modelling Tuberculosis Dynamics with Optimal Control Time-Dependent Interventions Mahsa Hamidi; Omid Solaymani Fard; Olumuyiwa James Peter; Zahra Dayheem; Rantiola Famutimi; Hasan S Panigoro
Jambura Journal of Biomathematics (JJBM) Vol. 7 No. 3: September 2026
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjbm.v7i3.23

Abstract

Tuberculosis (TB) remains a major global health challenge, particularly in low- and middle-income countries. This study evaluates the impact of vaccination on TB dynamics using a mathematical model that incorporates two susceptible classes. The model examines the interplay between population characteristics, transmission pathways, treatment strategies, and intervention measures. The basic reproduction number, a key threshold parameter, is derived, and the global stability of both the disease-free and endemic equilibria is established. Furthermore, the model is extended to formulate an optimal control problem incorporating three time-dependent control functions: vaccination of susceptible individuals, public health education for the exposed population, and home-based treatment for infected individuals. Numerical simulations illustrate the theoretical results and show that, among the strategies considered, combining preventive measures with targeted vaccination is most effective in reducing TB infections. The findings provide insights into TB control and offer practical guidance for designing effective public health interventions.
Co-Authors Hasan S Panigoro Olumuyiwa James Peter Omid Solaymani Fard Rantiola Famutimi Zahra Dayheem