Stability Analysis of a Stochastic SIR Epidemic Model with Specific Nonlinear Incidence Rate

Figure 1

Deterministic and stochastic trajectories of models (1) and (2) with parameter values 𝐴=0.9, 𝜇=0.1, 𝛽=0.5, 𝑑=0.1, 𝑟=0.1, 𝛼₁=0.1, 𝛼₂=0.1, 𝛼₃=0.01, 𝜎₁=0.1, and 𝜎₂=0.01.

(a)

(b)