The Channing Laboratory is a multidisciplinary research division of Brigham and Women's Hospital and Harvard Medical School. Our investigation of bacteriology, chronic disease epidemiology and virology is successfully integrated through the efforts of the Director, Dr. Dennis Kasper (William Ellery Channing Professor), and the Co-Directors, Dr. Elliott Kieff (Harriet Ryan Albee Professor) and Dr. Frank Speizer (Edward H. Kass Professor).