Figure 3.

Dynamics of I₁ and I₂ for varying σ_ij for the state-dependent p_ij (I₁, I₂) where R₀ < 1. This is obtained by using the values β₁ = 0.2 and β₂ = 0.3. In all the three cases, the disease dies out in both patches. The black curves represent the symmetric case (p₁₂ = p₂₁ = σ₁₂ = σ₂₁ = 0.5 ), the blue line represent the polar case (p₁₂ = p₂₁ = σ₁₂ = σ₂₁ = 0) and red curves represent high mobility case (p₁₂ = p₂₁ = σ₁₂ = σ₂₁ = 1).