Dr. Prieto received a medical degree from Ponce School of Medicine in Puerto Rico. He completed an intership and residency in Internal Medicine and a fellowship in Infectious Diseases and Tropical Medicine at the University of South Florida Affiliated Hospitals in Tampa, Florida. Dr. Prieto has been in private practice since 1991 and is actively involved since as the Chief of Infection Control and Hospital Epidemiologist at University Community Hospital in Tampa and as an investigator in numerous clinical trials in infectious diseases. His primary interests are Infection Control, Nosocomial Infections and HIV. Dr Prieto is a member of the Infectious Disease Society of America and its HIV Medical Association, American College of Physicians, International Association Physicians AIDS Care and Fellow of the Society for Healthcare Epidemiology of America.