There probably is no field of medicine that moves as tions of recently reported information and inclusion rapidly as does HIV / AIDS. New basic discoveries, new of that information only where it is considered to be valid. New images have been added to the extensive therapies, new syndromes, and new management strategies are announced almost weekly. Donna and superb collection that is so useful for patient care Mildvan and her chapter authors have done a superb and for the teaching of health professionals. I con- gratulate the entire team for producing a very valu- job with this extensively updated and revised third able third edition of the Atlas of AIDS. edition. Their expertise has resulted in careful evalua- Gerald L. Mandell, MD Charlottesville, Virginia v CONTRIBUTORS Deshratn Asthana, Ph D Judith Feinberg, MD Assistant Professor Professor of Medicine Department of Psychiatry and Behavioral Sciences Associate Director, Infectious Disease Center Director, Retrovirology Reference Laboratory University of Cincinnati College of Medicine University of Miami School of Medicine Cincinnati, Ohio Miami, Florida Margaret A. Fischl, . MD Edward J. Bottone, Ph D Professor of Medicine Professor of Medicine, Microbiology, and Pathology University of Miami The Mount Sinai School of Medicine AIDS Clinical Research Unit Miami, Florida Director, Consultative Microbiology The Mount Sinai Hospital Alvin E.