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A SI epidemic model with two-stage structure. (Chinese. English summary) Zbl 1001.92042

Summary: An SI epidemic model with two-stage structure consisting immature and mature stage is studied. The threshold is found, that is, when the infection rate is less than this threshold, the epidemic will die out; otherwise the epidemic will become local epidemic.

MSC:

92D30 Epidemiology
34D23 Global stability of solutions to ordinary differential equations
34D05 Asymptotic properties of solutions to ordinary differential equations
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