摘要: In Iran, the prevalence of hepatitis C virus (HCV) infection is relatively low according to population-based epidemiological studies. However, epidemiology HCV changing and rate increasing due growth in number injecting drug users society. addition, a shift has occurred distribution pattern genotypes among HCV-infected patients Iran. Genotype 1a most prevalent genotype but recent years, an increase frequency 3a decrease 1b have been reported. These variations reflect differences routes transmission, status public health, lifestyles, risk factors different groups geographic regions Health policy makers should consider these establish better strategies for control prevention infection. Therefore, this review was conducted present clear view regarding current