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A Mathematical Study for the Transmission of Coronavirus Disease

Huda Abdul Satar and Raid Kamel Naji (rknaji@gmail.com)
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Huda Abdul Satar: Department of Mathematics, College of Science, University of Baghdad, Baghdad 10071, Iraq
Raid Kamel Naji: Department of Mathematics, College of Science, University of Baghdad, Baghdad 10071, Iraq

Mathematics, 2023, vol. 11, issue 10, 1-20

Abstract: Globally, the COVID-19 pandemic’s development has presented significant societal and economic challenges. The carriers of COVID-19 transmission have also been identified as asymptomatic infected people. Yet, most epidemic models do not consider their impact when accounting for the disease’s indirect transmission. This study suggested and investigated a mathematical model replicating the spread of coronavirus disease among asymptomatic infected people. A study was conducted on every aspect of the system’s solution. The equilibrium points and the basic reproduction number were computed. The endemic equilibrium point and the disease-free equilibrium point had both undergone local stability analyses. A geometric technique was used to look into the global dynamics of the endemic point, whereas the Castillo-Chavez theorem was used to look into the global stability of the disease-free point. The system’s transcritical bifurcation at the disease-free point was discovered to exist. The system parameters were changed using the basic reproduction number’s sensitivity technique. Ultimately, a numerical simulation was used to apply the model to the population of Iraq in order to validate the findings and define the factors that regulate illness breakout.

Keywords: COVID-19; basic reproduction number; sensitivity analysis; stability; bifurcation (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
References: Add references at CitEc
Citations: View citations in EconPapers (2)

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