Dynamics of a Delay-Varying Computer Virus Propagation Model

Figure 2

Distribution of computers versus time when 𝑏=10,𝛽=0.02,𝛾=0.6,𝜇=0.1, and 𝜎=4, where 𝑅₀=2.86>1 and 𝜎^∗≈5.91>𝜎, satisfy the stable condition for the virus equilibrium 𝐸^∗(35.00,9.29).