Abstract
In this paper, we study a diffusive SIRS-type epidemic model with transfer from the infectious to the susceptible class. Our model includes a general nonlinear incidence rate and spatially heterogeneous diffusion coefficients. We compute the basic reproduction number mathcal {R}_0 of our model and establish the global stability of the disease-free steady state when mathcal {R}_0<1. Furthermore, we study the uniform persistence when mathcal {R}_0>1 and perform a bifurcation analysis for a special case of our model. Some numerical simulations are presented to illustrate the dynamics of the solutions as the model parameters are varied.
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