Figure 4From: On extinction of infectious diseases for multi-group SIRS models with saturated incidence rate Stochastic trajectories \(\pmb{S_{1}(t)}\) , \(\pmb{I_{1}(t)}\) , \(\pmb{R_{1}(t)}\) when specifying the intensities of the Brownian motions as \(\pmb{\sigma_{1} =0.85}\) , \(\pmb{\sigma_{2} =1.02}\) (left) and \(\pmb{\sigma_{1} =3.75}\) , \(\pmb{\sigma_{2} =2.72}\) (right), respectively, and \(\pmb{t\in[0,500]}\) . Back to article page