Nonlinear Dynamics of a General Stochastic SIR Model with Behavioral and Physical Changes: Analysis and Application to Zoonotic Tuberculosis

Yassine Sabbar, Mohammad Izadi (), Aeshah A. Raezah and Waleed Adel
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Yassine Sabbar: MAIS Laboratory, MAMCS Group, FST Errachidia, Moulay Ismail University of Meknes, P.O. Box 509, Errachidia 52000, Morocco
Mohammad Izadi: Department of Applied Mathematics, Faculty of Mathematics and Computer, Shahid Bahonar University of Kerman, Kerman 76169-14111, Iran
Aeshah A. Raezah: Department of Mathematics, Faculty of Science, King Khalid University, Abha 62529, Saudi Arabia
Waleed Adel: Laboratoire Interdisciplinaire de l’Universite’ Francaise d’Egypte (UFEID Lab), Universite’ Francaise d’Egypte, Cairo 11837, Egypt

Mathematics, 2024, vol. 12, issue 13, 1-17

Abstract: This paper presents a comprehensive nonlinear analysis of an innovative stochastic epidemic model that accounts for both behavioral changes and physical discontinuities. Our research begins with the formulation of a perturbed model, integrating two general incidence functions and incorporating a Lévy measure to account for independent jump components. We start by confirming the well-posed nature of the model, ensuring its mathematical soundness and feasibility for further analysis. Following this, we establish a global threshold criterion that serves to distinguish between the eradication and the persistence of an epidemic. This threshold is crucial for understanding the long-term behavior of a disease within a population. To rigorously validate the accuracy of this threshold, we conducted extensive numerical simulations using estimated data on Zoonotic Tuberculosis in Morocco. These simulations provide practical insights and reinforce the theoretical findings of our study. A notable aspect of our approach is its significant advancement over previous works in the literature. Our model not only offers a more comprehensive framework but also identifies optimal conditions under which an epidemic can be controlled or eradicated.

Keywords: stochastic model; epidemic; behavioral change; jumps; tuberculosis (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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