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Theory and Modern Applications

Figure 1 | Advances in Difference Equations

Figure 1

From: On extinction of infectious diseases for multi-group SIRS models with saturated incidence rate

Figure 1

Stochastic trajectories of ( 1.4 ) for \(\pmb{\sigma _{1} =0.3}\) , \(\pmb{\sigma_{2} =0.05}\) , \(\pmb{\mathscr{R}_{0}=0.6465<1}\) , \(\pmb{\triangle t=10^{-3}}\) , \(\pmb{(d_{1}^{I}+\gamma_{1}+\epsilon_{1})-\sum_{j=1}^{n}\frac{\beta _{1j}\Lambda_{1}}{d_{1}^{S}}=1.0125>0.879=\frac{\Lambda_{1}^{2}\sigma_{1}^{2}}{(d_{1}^{S})^{2}}}\) , \(\pmb{(d_{2}^{I}+\gamma_{2}+\epsilon_{2})-\sum_{j=1}^{n}\frac{\beta_{2j}\Lambda _{2}}{d_{2}^{S}}=0.08> 0.0625=\frac{\Lambda_{2}^{2}\sigma_{2}^{2}}{(d_{2}^{S})^{2}}}\) .

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