Research article

Dynamics analysis of an SVEIR epidemic model in a patchy environment

  • Academic editor: Hao Wang
  • Received: 09 June 2023 Revised: 01 August 2023 Accepted: 14 August 2023 Published: 28 August 2023
  • In this paper, we propose a multi-patch SVEIR epidemic model that incorporates vaccination of both newborns and susceptible populations. We determine the basic reproduction number $ R_{0} $ and prove that the disease-free equilibrium $ P_{0} $ is locally and globally asymptotically stable if $ R_{0} < 1, $ and it is unstable if $ R_{0} > 1. $ Moreover, we show that the disease is uniformly persistent in the population when $ R_{0} > 1. $ Numerical simulations indicate that vaccination strategies can effectively control disease spread in all patches while population migration can either intensify or prevent disease transmission within a patch.

    Citation: Maoxing Liu, Yuhang Li. Dynamics analysis of an SVEIR epidemic model in a patchy environment[J]. Mathematical Biosciences and Engineering, 2023, 20(9): 16962-16977. doi: 10.3934/mbe.2023756

    Related Papers:

  • In this paper, we propose a multi-patch SVEIR epidemic model that incorporates vaccination of both newborns and susceptible populations. We determine the basic reproduction number $ R_{0} $ and prove that the disease-free equilibrium $ P_{0} $ is locally and globally asymptotically stable if $ R_{0} < 1, $ and it is unstable if $ R_{0} > 1. $ Moreover, we show that the disease is uniformly persistent in the population when $ R_{0} > 1. $ Numerical simulations indicate that vaccination strategies can effectively control disease spread in all patches while population migration can either intensify or prevent disease transmission within a patch.



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