A SIRS Epidemic Model Incorporating Media Coverage with Random Perturbation

Figure 3

The global stability of the endemic equilibrium 𝐸^∗=(𝑆^∗,𝐼^∗,𝑅^∗) for model (47) with initial values 𝑆(0)=85, 𝐼(0)=15, and 𝑅(0)=0. The parameters are taken as 𝑏=5, 𝑑=0.01, 𝛽₁=0.002, 𝛽₂=0.0018, 𝑚=30, 𝛿=0.1, 𝜇=0.05, 𝛾=0.01, 𝜎₁=0.18, 𝜎₂=0.18, and 𝜎₃=0.22.