The differential susceptibility SIR epid
โ
Xiao-Bing Zhang; Hai-Feng Huo; Xiao-Ke Sun; Qiang Fu
๐
Article
๐
2010
๐
Elsevier Science
๐
English
โ 676 KB
The differential susceptibility SIR epidemic model with stage structure and pulse vaccination is introduced. By the comparison theorem, some sufficient conditions for the globally attractivity of an infection-free periodic solution and the permanence of this system are presented. Two numerical simul