<qa>  How many additional study visits will be held in the first week of the study?Participants in this study will be followed for 48 weeks on treatment and up to 36 months after treatment. Participants in this study will be admitted to the Clinical Research Center for 2 days at the beginning of the study. Participants will have 3 additional study visits in the first week of the study. After that, study visits occur at Weeks 2, 4, 8, 12, 16, 24, 32, 40, and 48. The follow-up visits will be at 4, 12, and 24 weeks following the end of treatment. Study visits include a physical exam and blood tests. Patients who do not respond to treatment will be followed in a prospective cohort study for up to 3 additional years so that evolution of the virus and associated immune responses can be evaluated. 