scholarly journals Global stability of a delayed SIRS epidemic model with a non-monotonic incidence rate

2011 ◽  
Vol 377 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Yoshiaki Muroya ◽  
Yoichi Enatsu ◽  
Yukihiko Nakata
Author(s):  
Xiaodong Lin

AbstractIn this paper, we study the asymptotic behavior of an SIRS epidemic model with a time delay in the recovered class and a nonlinear incidence rate. A conjecture of Hethcote et al. [5] on the global stability of the disease-free equilibrium is solved. Moreover, we analyse the model when the contact number takes its threshold value. We show that solutions tend to either the disease-free equilibrium or to a unique positive endemic equilibrium, and there is no periodic solution.


2006 ◽  
Vol 26 (2) ◽  
pp. 291-306 ◽  
Author(s):  
Jin Zhen ◽  
Zhien Ma ◽  
Maoan Han

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