9. Vaccinated with live, attenuated vaccines within 4 weeks of randomization. 10. Known history of human immunodeficiency virus (HIV) or active Hepatitis C Virus or active Hepatitis B Virus infection or any uncontrolled active systemic infection requiring intravenous (IV) antibiotics. Hbcore positive HBs negative patients will be eligible but will need to be treated with lamivudine 100 mg/day throughout the treatment phase and 6 months after it.