1. From National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia; National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland; American Association for the Study of Liver Diseases and The Infectious Diseases Society of America, Alexandria, Virginia; Veterans Health Administration, Department of Veterans Affairs, Washington, DC; and Hepatitis Council, American Liver Foundation, New York, New York.