• Atika Ratna Dewi Data Science Study Program, Faculty of Informatics, Institut Teknologi Telkom Purwokerto, Indonesia
  • Ridho Ananda Industrial Engineering Study Program, Faculty of Industrial Engineering and Design, Institut Teknologi Telkom Purwokerto, Indonesia
  • Utti Marina Rifanti Telecommunications Engineering Study Program, Faculty of Telecommunications and Electrical Engineering, Institut Teknologi Telkom Purwokerto, Indonesia
  • Nadia Putri Anggraeni Data Science Study Program, Faculty of Informatics, Institut Teknologi Telkom Purwokerto, Indonesia
  • Miko Ardian Data Science Study Program, Faculty of Informatics, Institut Teknologi Telkom Purwokerto, Indonesia
Keywords: SIR Model, Covid-19, Vaccination, Basic Reproduction Ratio Number, Model Simulation


Covid-19 is a serious respiratory disease that can be fatal for those affected. Governments have tried various strategies to conquer the Covid-19 pandemic. One of them is to vaccinate people with 6 years old and over. The vaccination program aims to form herd immunity so that the number of confirmed positive cases can be reduced. The purpose of this research is to form a mathematical model of the SIR (Susceptible-Infected-Recovery) spread of Covid-19 by considering vaccination factors. The SIR model is combined with a vaccination factor to forestall the unfold of Covid-19. The research method includes deriving models of nonlinear differential equation systems, solving qualitative models, deriving the basic reproduction ratio ( ), analysis of equilibrium points, and building simulation models. This model has an asymptotically stable disease-free equilibrium point. At the same time, the endemic equilibrium point is unstable. Model simulation is obtained by using different parameter values. This is proven through the outcomes of the model analysis vaccination coverage is a key parameter that can be controlled to reduce  so that the pandemic ends soon.


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How to Cite
A. Dewi, R. Ananda, U. Rifanti, N. Anggraeni, and M. Ardian, “ANALYSIS AND SIMULATION OF THE SIR MODEL ON THE SPREAD OF COVID-19 BY CONSIDERING THE VACCINATION FACTOR”, BAREKENG: J. Math. & App., vol. 18, no. 1, pp. 0303-0312, Mar. 2024.