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The analysis of a disease-free equilibrium of Hepatitis B model

Journal: Sahand Communications in Mathematical Analysis (Vol.3, No. 2)

Publication Date:

Authors : ; ; ; ;

Page : 1-11

Keywords : Hepatitis B virus (HBV); Basic reproduction number (R0); Compound matrices; Disease-Free equilibrium state; Global stability;

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Abstract

In this paper we study the dynamics of Hepatitis B virus (HBV) infection under administration of a vaccine and treatment, where the disease is transmitted directly from the parents to the offspring and also through contact with infective individuals. Stability of the disease-free steady state is investigated. The basic reproductive rate, R0, is derived. The results show that the dynamics of the model is completely determined by the basic reproductive number R0. If R0<1, the disease-free equilibrium is globally stable and the disease always dies out and if R0>1, the disease-free equilibrium is unstable and the disease is uniformly persistent.

Last modified: 2016-08-06 15:39:07