Dynamical behaviors of a discrete SIS epidemic model with standard incidence and stage structure. (English) Zbl 1380.39021
Summary: A discrete SIS epidemic model with stage structure and standard incident rate which is governed by Beverton-Holt type is studied. The sufficient conditions on the permanence and extinction of disease are established. The existence of the endemic equilibrium is obtained. Further, by using the method of linearization, the local asymptotical stability of the endemic equilibrium is also studied. Lastly, the examples and numerical simulations carried out to illustrate the feasibility of the main results and revealed the far richer dynamical behaviors of the discrete epidemic model compared with the corresponding continuous epidemic models.
Keywords:
discrete SIS epidemic model; stage structure; permanence and extinction; endemic equilibrium; local stabilityReferences:
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