Global Stability of a SLIT TB Model with Staged Progression
نویسندگان
چکیده
Because the latent period and the infectious period of tuberculosis TB are very long, it is not reasonable to consider the time as constant. So this paper formulates a mathematical model that divides the latent period and the infectious period into n-stages. For a general n-stage stage progression SP model with bilinear incidence, we analyze its dynamic behavior. First, we give the basic reproduction number R0. Moreover, if R0 ≤ 1, the disease-free equilibrium P0 is globally asymptotically stable and the disease always dies out. If R0 > 1, the unique endemic equilibrium P ∗ is globally asymptotically stable and the disease persists at the endemic equilibrium.
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ورودعنوان ژورنال:
- J. Applied Mathematics
دوره 2012 شماره
صفحات -
تاریخ انتشار 2012