A SIRS Epidemic Model Incorporating Media Coverage with Random Perturbation

Wenbin Liu

Abstract and Applied Analysis, 2013, vol. 2013, 1-9

Abstract:

We investigate the complex dynamics of a SIRS epidemic model incorporating media coverage with random perturbation. We first deal with the boundedness and the stability of the disease—free and endemic equilibria of the deterministic model. And for the corresponding stochastic epidemic model, we prove that the endemic equilibrium of the stochastic model is asymptotically stable in the large. Furthermore, we perform some numerical examples to validate the analytical finding, and find that if the conditions of stochastic stability are not satisfied, the solution for the stochastic model will oscillate strongly around the endemic equilibrium.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:792308

DOI: 10.1155/2013/792308

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