The threshold of a stochastic SIQS epidemic model

Xiao-Bing Zhang, Hai-Feng Huo, Hong Xiang, Qihong Shi and Dungang Li

Physica A: Statistical Mechanics and its Applications, 2017, vol. 482, issue C, 362-374

Abstract: In this paper, we present the threshold of a stochastic SIQS epidemic model which determines the extinction and persistence of the disease. Furthermore, we find that noise can suppress the disease outbreak. Numerical simulations are also carried out to confirm the analytical results.

Keywords: Random perturbations; Itô’s formula; The threshold; SIQS (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:482:y:2017:i:c:p:362-374

DOI: 10.1016/j.physa.2017.04.100

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