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Dynamics Analysis of an HIV Infection Model including Infected Cells in an Eclipse Stage

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  • Shengyu Zhou
  • Zhixing Hu
  • Wanbiao Ma
  • Fucheng Liao

Abstract

In this paper, an HIV infection model including an eclipse stage of infected cells is considered. Some quicker cells in this stage become productively infected cells, a portion of these cells are reverted to the uninfected class, and others will be latent down in the body. We consider CTL‐response delay in this model and analyze the effect of time delay on stability of equilibrium. It is shown that the uninfected equilibrium and CTL‐absent infection equilibrium are globally asymptotically stable for both ODE and DDE model. And we get the global stability of the CTL‐present equilibrium for ODE model. For DDE model, we have proved that the CTL‐present equilibrium is locally asymptotically stable in a range of delays and also have studied the existence of Hopf bifurcations at the CTL‐present equilibrium. Numerical simulations are carried out to support our main results.

Suggested Citation

  • Shengyu Zhou & Zhixing Hu & Wanbiao Ma & Fucheng Liao, 2013. "Dynamics Analysis of an HIV Infection Model including Infected Cells in an Eclipse Stage," Journal of Applied Mathematics, John Wiley & Sons, vol. 2013(1).
    • Handle: RePEc:wly:jnljam:v:2013:y:2013:i:1:n:419593
    DOI: 10.1155/2013/419593
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    References listed on IDEAS

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