Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.

Tuberculosis (TB) is one of the deadly infectious diseases affecting millions of individuals throughout the world. The main objective of this study is to investigate the impact of media coverage on the transmission dynamics of TB with vaccine and treatment strategy using mathematical model analysis....

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Main Authors: Kumneger Tadesse Mulugeta, Mohammed Yiha Dawed, Shewafera Wondimagegnhu Teklu
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0314324
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author Kumneger Tadesse Mulugeta
Mohammed Yiha Dawed
Shewafera Wondimagegnhu Teklu
author_facet Kumneger Tadesse Mulugeta
Mohammed Yiha Dawed
Shewafera Wondimagegnhu Teklu
author_sort Kumneger Tadesse Mulugeta
collection DOAJ
description Tuberculosis (TB) is one of the deadly infectious diseases affecting millions of individuals throughout the world. The main objective of this study is to investigate the impact of media coverage on the transmission dynamics of TB with vaccine and treatment strategy using mathematical model analysis. In the qualitative analysis of the proposed model we proved the existence, uniqueness, positivity, and boundedness of the model solutions, investigated both the disease-free and endemic equilibrium points, computed the basic and effective reproduction numbers using next generation matrix approach, analyzed the stability analysis of the equilibrium points, the backward bifurcation using the Castillo-Chavez and Song theorem and we re-formulated the corresponding optimal control problem and analyzed by applying the Pontryagin's Minimum Principle. In the model quantitative (numerical) analysis part, we performed the model parameters sensitivity analysis and carried out numerical simulation to verify the qualitative analysis results. The findings of the study indicate that if the reproduction number is less than one, the solution converges to the disease-free state, signifying the asymptotic stability of the TB-free steady state. Moreover, the existence of a backward bifurcation shows that the disease-free equilibrium coexists with one or more endemic equilibria, even when the basic reproduction number is less than 1. Furthermore, it is found that as media efficacy increases, the disease infection rate decreases, which consequently leads to an increase in prevention and treatment control strategies.
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spelling doaj-art-71fdab19cc7a4c6183bea7aeb03853622025-02-05T05:31:59ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01201e031432410.1371/journal.pone.0314324Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.Kumneger Tadesse MulugetaMohammed Yiha DawedShewafera Wondimagegnhu TekluTuberculosis (TB) is one of the deadly infectious diseases affecting millions of individuals throughout the world. The main objective of this study is to investigate the impact of media coverage on the transmission dynamics of TB with vaccine and treatment strategy using mathematical model analysis. In the qualitative analysis of the proposed model we proved the existence, uniqueness, positivity, and boundedness of the model solutions, investigated both the disease-free and endemic equilibrium points, computed the basic and effective reproduction numbers using next generation matrix approach, analyzed the stability analysis of the equilibrium points, the backward bifurcation using the Castillo-Chavez and Song theorem and we re-formulated the corresponding optimal control problem and analyzed by applying the Pontryagin's Minimum Principle. In the model quantitative (numerical) analysis part, we performed the model parameters sensitivity analysis and carried out numerical simulation to verify the qualitative analysis results. The findings of the study indicate that if the reproduction number is less than one, the solution converges to the disease-free state, signifying the asymptotic stability of the TB-free steady state. Moreover, the existence of a backward bifurcation shows that the disease-free equilibrium coexists with one or more endemic equilibria, even when the basic reproduction number is less than 1. Furthermore, it is found that as media efficacy increases, the disease infection rate decreases, which consequently leads to an increase in prevention and treatment control strategies.https://doi.org/10.1371/journal.pone.0314324
spellingShingle Kumneger Tadesse Mulugeta
Mohammed Yiha Dawed
Shewafera Wondimagegnhu Teklu
Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
PLoS ONE
title Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
title_full Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
title_fullStr Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
title_full_unstemmed Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
title_short Impact of media coverage on the transmission dynamics of TB with vaccines and treatment.
title_sort impact of media coverage on the transmission dynamics of tb with vaccines and treatment
url https://doi.org/10.1371/journal.pone.0314324
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