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. 2014 Aug 18;2014:910421. doi: 10.1155/2014/910421

Figure 2.

Figure 2

(a)–(d) show that system (7) has only one disease-free equilibrium E 0(50,0, 0) and it is locally asymptotically stable. In this case, A = 10, β = 0.05, ε = 1.2, d = 0.2, μ = 0.2, υ = 0.4, r = 2.5, α = 1.25, and k = 1.25.