Figure 3From: Stability and bifurcation analysis in a viral infection model with delays \(\pmb{P_{2}}\) is asymptotically stable. Here \(\lambda=40\), \(\beta=0.02\), \(d_{1}=0.2\), \(d_{2}=1.8\), \(d_{3}=1.5\), \(d_{4}=0.5\), \(k=2\), \(\mu =0.2\), \(\gamma=0.2\), \(\tau_{1}=0\), \(\tau_{2}=0\), \(\tau_{3}=0.7<\tau_{3}^{*}=0.7392\), and \(R_{1}=2.2222>1\).Back to article page