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Dynamic analysis of a fractional-order model for HIV with drug-resistance and CTL immune response

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  • Shi, Ruiqing
  • Lu, Ting
  • Wang, Cuihong

Abstract

In this paper, a fractional-order model for HIV with drug-resistance and CTL immune response is established. Two cases (subsystem with drug-sensitive and subsystem with drug-resistant) are considered. For both subsystems: firstly, the existence and uniqueness of the positive solution is proved; secondly, the sufficient conditions for the stability of the disease-free equilibrium are obtained; finally, some numerical simulations are performed to verify the theoretical results. After that, the main system is analyzed in a similar way. Calculation indicates that the basic reproduction number of the main system is the maximum value of the basic reproduction numbers of the corresponding subsystems. In addition, through numerical simulation, we know that the drug efficacy plays an important role in the treatment of HIV.

Suggested Citation

  • Shi, Ruiqing & Lu, Ting & Wang, Cuihong, 2021. "Dynamic analysis of a fractional-order model for HIV with drug-resistance and CTL immune response," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 188(C), pages 509-536.
    • Handle: RePEc:eee:matcom:v:188:y:2021:i:c:p:509-536
    DOI: 10.1016/j.matcom.2021.04.022
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    References listed on IDEAS

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