A Discrete Model for HIV Infection with Distributed Delay

Figure 3

Plot of the basic reproduction number 𝑅₀ as a function of the delay 𝑁. Here, 𝜆=10, 𝑑=0.02, 𝛽=0.000024, 𝑚=0.5, 𝑎=0.5, 𝑘=600, 𝜇=3, and ℎ=0.1.