On a Stochastic SEIS Model with Treatment Rate of Latent Population

Shujing Gao, Yanfei Dai, Yan Zhang and Yujiang Liu

Abstract and Applied Analysis, 2014, vol. 2014, 1-16

Abstract:

The asymptotic dynamics of a stochastic SEIS epidemic model with treatment rate of latent population is investigated. First, we show that the system provides a unique positive global solution starting from the positive initial value. Then, the long-term asymptotic behavior of the model is studied: if , which is called the basic reproduction number of the corresponding deterministic model, is not more than unity, the solution of the model is oscillating around the disease-free equilibrium of the corresponding deterministic system, whereas if is larger than unity, we show how the solution spirals around the endemic equilibrium of deterministic system under certain parametric restrictions. Finally, numerical simulations are carried out to support our theoretical findings.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:894842

DOI: 10.1155/2014/894842

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