Research Article

Analysis of an SEIR Epidemic Model with Saturated Incidence and Saturated Treatment Function

Figure 3

(a)–(d) show that system (7) has a disease-free equilibrium , which is unstable, and an endemic equilibrium , which is locally asymptotically stable. In this case, , , , , , , , , and .
910421.fig.003a
(a)
910421.fig.003b
(b)
910421.fig.003c
(c)
910421.fig.003d
(d)