Richard B. Johnston, Adjunct Professor of Pediatrics, Yale University School of Medicine; Medical Director, March of Dimes Birth Defects Foundation, White Plains, New York

Samuel L. Katz, Wilburt C. Davison Professor, Department of Pediatrics, Duke University Medical Center, Durham, North Carolina

Robert C. Kohberger, Director, Statistics and Clinical Data Management, Lederle-Praxis Biologicals, Pearl River, New York

Stephen C. Marini, Professor of Microbiology and Immunology, Pennsylvania College of Chiropractic, Family Chiropractic Center, Philadelphia, Pennsylvania

Joseph Melnick, Baylor College of Medicine, Houston, Texas

Carlton Meschievitz, Executive Director, Medical Affairs, Connaught Laboratories, Inc., Swiftwater, Pennsylvania

Mark Miller, Medical Epidemiologist, Centers for Disease Control and Prevention, Atlanta, Georgia

John F. Modlin, Professor of Pediatrics and Medicine, Dartmouth Medical School, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire

Walter A. Orenstein, Assistant Surgeon General; Director, National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia

Peter R. Paradiso, Senior Director, Scientific Affairs, American Cyanamid Company, Lederle-Praxis Biologicals, West Henrietta, New York

Stanley A. Plotkin, Medical and Scientific Director, Pasteur Mérieux Connaught, Marnes-La-Coquette, France

Frederick C. Robbins, University Professor and Dean Emeritus, Department of Epidemiology and Biostatistics, School of Medicine, Case Western Reserve University, Cleveland, Ohio

John Salamone, Oakton, Virginia

Lenita Schafer, Princeton, Massachusetts

Jessica Scheer, Senior Research Associate and Medical Anthropologist, National Rehabilitation Hospital Research Center, Washington, D.C.

Roland Sutter, Centers for Disease Control and Prevention, Atlanta, Georgia

Robert E. Weibel, Senior Medical Officer, Vaccine Injury Compensation Program, Rockville, Maryland

Kathi Williams, Director, National Vaccine Information Center, Vienna, Virginia

Peter Wright, Professor of Pediatrics, Head, Pediatric Infectious Diseases, Vanderbilt Medical Center, Nashville, Tennessee

Richard K. Zimmerman, Department of Family Medicine and Clinical Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania