Sustained virological response based on genotype after ViraferonPeg in combination with Ribavirin in HCV/HIV Co-infected patients Study 11 Study 22 ViraferonPeg Interferon ViraferonPeg Interferon (100 or alfa-2b (1.5 µg/kg/ alfa-2b 150c µg/week) (3 MIU TIW) week) + (3 MIU TIW) + + ribavirin + ribavirin ribavirin ribavirin p (800- (800- p (800 mg) (800 mg) valuea 1,200 mg) d 1,200 mg) d valueb