Fig. 1.

The numerical simulations of model (1) for $\eta =0.9$, $\mu =1$, $d_4=5.36$, and $\theta =0.0001$ with three different sets of initial conditions. The uninfected steady state ${\mathrm{\Delta }}_0=(22.41,0,0,0,1000,0,0,0)$ is G.A.S