4.7 Article

Modeling the dynamic of COVID-19 with different types of transmissions

期刊

CHAOS SOLITONS & FRACTALS
卷 150, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2021.111188

关键词

Epidemic model; Basic reproduction number; Stability; Vaccination

资金

  1. MENFPESRS, Morocco grant
  2. CNRST, Morocco grant
  3. COVID-19 2020

向作者/读者索取更多资源

This study introduces a new epidemiological mathematical model focusing on the transmissibility of different symptoms of COVID-19, calculating the basic reproduction number and examining the local stability of disease-free equilibrium. Numerical simulations were used to illustrate the findings, as well as analyzing the impact of vaccination in the model.
In this paper, we propose a new epidemiological mathematical model for the spread of the COVID-19 disease with a special focus on the transmissibility of individuals with severe symptoms, mild symptoms, and asymptomatic symptoms. We compute the basic reproduction number and we study the local sta-bility of the disease-free equilibrium in terms of the basic reproduction number. Numerical simulations were employed to illustrate our results. Furthermore, we study the present model in case we took into consideration the vaccination of a portion of susceptible individuals to predict the impact of the vaccina-tion program. (c) 2021 Elsevier Ltd. All rights reserved.

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