Dynamics Analysis of a Stochastic SIR Epidemic Model

Figure 1

Solutions of model (3) with different noise. Other parameters and initial condition are given in text. (a) 𝜎₁=0.05,𝜎₂=0.01, and 𝜎₃=0.03 and (b) 𝜎₁=0.1, 𝜎₂=0.06, and𝜎₃=0.12.

(a)

(b)