The threshold of a stochastic SIQS epidemic model

被引：0
|
作者：
Yanni Pang
Yuecai Han
Wenjin Li
机构：
[1] Jilin University,School of Mathematics
[2] Jilin University of Finance and Economics,School of Applied Mathematics
来源：
Advances in Difference Equations | / 2014卷
关键词：
stochastic SIQS epidemic model; extinction; persistence; threshold;
D O I：
暂无
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学科分类号：
摘要：
In this paper, we discuss the dynamics of a stochastic SIQS epidemic model. When the noise is large, the infective decays exponentially to zero regardless of the magnitude of R0. When the noise is small, sufficient conditions for extinction exponentially and persistence in the mean are established. The results are illustrated by computer simulations.
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