plasma, semen, body fluids and in all the tissues of the body. These viruses destroy
the T4 helper cells that are vital for immune responses to pathogens, bringing about
a vulnerability to diseases in the patient.
Dr. Jay A. Levy, MD, is a Professor of Medicine in the Division of
Hematology/Oncology, Research Associate in the Cancer Research Institute and the
Director of the Laboratory for Tumor and AIDS Virus Research at the University of
California in San Francisco (UCSF). Dr. Levy is a Fellow of the American Academy of
Arts and Sciences, the American Association for the Advancement of Science, and
the American Academy of Microbiology.