Dynamics of a Nonautonomous Stochastic SIS Epidemic Model with Double Epidemic Hypothesis

Haokun Qi, Lidan Liu and Xinzhu Meng

Complexity, 2017, vol. 2017, 1-14

Abstract:

We investigate the dynamics of a nonautonomous stochastic SIS epidemic model with nonlinear incidence rate and double epidemic hypothesis. By constructing suitable stochastic Lyapunov functions and using Has’minskii theory, we prove that there exists at least one nontrivial positive periodic solution of the system. Moreover, the sufficient conditions for extinction of the disease are obtained by using the theory of nonautonomous stochastic differential equations. Finally, numerical simulations are utilized to illustrate our theoretical analysis.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:4861391

DOI: 10.1155/2017/4861391

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