Travelling Waves of a Diffusive Epidemic Model with Latency and Relapse

Figure 3

The traveling wave observed in system (5) with parameters: 𝜇=0.1, 𝛿=𝛾=0.5, 𝛽=0.6, 𝜏=0.75, and 𝑑₁=𝑑₂=𝑑₃=0.01 in (a); 𝑑₁=0.04, 𝑑₂=𝑑₃=0.01 in (b); 𝑑₂=0.04, 𝑑₁=𝑑₃=0.01 in (c); 𝑑₃=0.04, 𝑑₁=𝑑₃=0.01 in (d).

(a)

(b)

(c)

(d)