Nonlinear Pulse Vaccination in an SIR Epidemic Model with Resource Limitation

Figure 4

Bifurcation diagrams of model (4) with respect to bifurcation parameter 𝑇. Here 𝑝_max=0.75 and all other parameter values are given in Table 1. (a) 𝜃=0 which are reproduced from [9]; (b) 𝜃=0.2; (c and d) a magnified part of Figure 4(b).

(a)

(b)

(c)

(d)