621939.fig.004a
(a)
621939.fig.004b
(b)
621939.fig.004c
(c)
621939.fig.004d
(d)
Figure 4: Trajectories of the system for 𝑎 = 5 day−1; 𝑘 = 1000000 cells/liter; 𝛼 = 1 day−1; 𝜇 1 = 0.0000548 day−1; 𝑟 = 0.2 day−1; 𝜀 = 0.015 day−1; 𝑔 = 1 day−1; 𝛿 = 5 cells/liter/day/person; 𝛾 = 0.0000000014 liters/virion/day; 𝜇 2 = 2 day−1; 𝛽 = 90 virions/cell; 𝜇 3 = 0.000000005 virion/day with 𝑆 ( 0 ) = 80000; 𝐼 ( 0 ) = 500; 𝑉 ( 0 ) = 200000; 𝑃 ( 0 ) = 100000 when 𝑅 0 = 2.1213 and 𝜏 = 1.00001. 𝐸 5 is stable.