Dynamic behavior of system (24) with parameter values in (25) and Case 2.\(R_{0}\approx1.0941\). The initial conditions are: \(S^{(1)}_{1}(0)=70\), \(S^{(2)}_{1}(0)=200\), \(S^{(1)}_{2}(0)=80\), \(S^{(2)}_{2}(0)=240\), \(E_{1}(0)=1\), \(E_{2}(0)=9\), \(I_{1}(0)=3\), \(I_{2}(0)=6\).
