T LaPorte, MS, D Heisey-Grove, MPH, P Kludt, MPH, BT Matyas, MD, A DeMaria,
Jr, MD, Bur of Communicable Disease Control, Massachusetts Dept of Public
Health. R Dicker, MD, A De, PhD, Div of Applied Public Health Training, Epidemiology
Program Office; A Fiore, MD, O Nainan, PhD, Div of Viral Hepatitis, National
Center for Infectious Diseases; DS Friedman, PhD, EIS Officer, CDC.