Bifurcation Analysis of an SIR Epidemic Model with the Contact Transmission Function

Figure 5

Bifurcation figure when 𝑅₀ and 𝑎 are taken as bifurcation parameters in system (3) by fixed 𝐴=2,𝑑=0.1,𝛽=0.8,𝑏=2.4,𝜖=0.6,𝛾=0.2.