which ticks, deer, and rodents perpetuate this zoonosis, and developed a now-standard method for malaria diagnosis. He also received the Medal of Honor from the American Mosquito Control Association for establishing the biological basis for the first insect growth regulator. Dr. Spielman holds a Merit Award from the National Institutes of Health and has advised, among others, the United States Agency for International Development, Centers for Disease Control, National Institutes of Health, Pan American Health Organization, and Walter Reed Army Institute of Research.

STANLEY C. OAKS, JR., Ph.D., is a study director in the Division of Health Sciences Policy at the Institute of Medicine (IOM). He received his Ph.D. in microbiology from the University of Maryland, College Park. Following a 20-year career in the U.S. Army Medical Department, where he was involved in clinical and research microbiology and vaccine product management, he joined the IOM's Division of International Health in 1990. The report of his previous IOM study, Malaria: Obstacles and Opportunities, was published in October 1991. Dr. Oaks is a fellow of the American Academy of Microbiology. His professional interests include clinical microbiology, rickettsial diseases, and tropical infectious diseases.

ELIZABETH E. MEYER is a research associate in the Division of Health Sciences Policy at the Institute of Medicine. She received a B.A. degree in biopsychology from Cornell University. Previously, Ms. Meyer served as research associate for the Institute of Medicine study, Mapping the Brain and Its Functions.