Witney Gazette | Gilead Sciences gets marketing authorization from European Commission for ... News-Medical.net Sovaldi has been studied in hepatitis C virus (HCV) genotypes 1-6. The efficacy of Sovaldi has been established in patients with genotypes 1-4, in those awaiting liver transplantation and those with HCV/HIV-1 co-infection. The clinical data supporting ... Treatment for hepatitis C hailed |