Sensitivity Analysis of SEIRS Model with Quarantine on the Spread of Covid-19

Authors

  • Wiwik Tri Hardianti Department of Mathematics, Bogor Agricultural University
  • Hadi Sumarno Department of Mathematics, Bogor Agricultural University
  • Paian Sianturi Department of Mathematics, Bogor Agricultural University

DOI:

https://doi.org/10.31764/jtam.v6i4.9627

Keywords:

SEIRS, Quarantine, Covid-19 pandemic, Basic Reproduction Number, Sensitivity Analysis.

Abstract

Since the Covid-19 pandemic, various mathematical models have been developed to describe its spread using the compartment model. The purpose of this research was to construct a new model of Covid-19. This formulated model is an application of SEIRS epidemic model by Zhang & Teng (2007) and a modification of the Covid-19 model by Chatterjee et al. (2020) by adding variations of quarantine. The model is analyzed by determining the disease-free fixed point and basic reproduction number 〖(R〗_0) through the next generation matrix method. The next step is to analyze the sensitivity to find out the parameters that have the most influence on the spread of Covid-19. The disease will not spread in the population if the value of R_0<1, while the disease will spread if the value of R_0>1. The result of the sensitivity analysis stated the parameters that can be controlled and have the most significant effect, respectively, are the transmission rate from symptomatic infected individuals (β_2 ),transmission rates from asymptomatic infected individuals (β_1 ), quarantine rates for symptomatic infected individuals (θ_3), and quarantine rates for asymptomatic infected individuals (θ_2). Parameters β_2 and β_1 have a negative index, while θ_3 and θ_2 have a negative index. It means decreasing the transmission rate from infected individuals and increasing the quarantine rate for infected individuals can decrease the spread of Covid-19. Therefore there will not be an outbreak in the long term.

 

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Published

2022-10-07

Issue

Vol. 6 No. 4 (2022): October

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