Abstract
A mathematical model for the transmission dynamics of Hepatitis C virus (HCV) have been proposed and investigated. The model presented looks into preferential sexual contacts between intravenous drug users and non-drug users. The threshold parameters of the model are determined and stabilities analysed. Both analytic and numerical simulations show that increase in intravenous drug use in addition to sex results in an increase of HCV cases. Thus, safe sex and treatment of HCV alone are not enough to curtail the transmission of HCV. Effective control of HCV require strategies that are tailor made for intravenous drug users.
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