As the only board certified Occupational and Environmental Medicine Physician and Epidemiologist in South Florida, Dr. Fleming serves in a unique role at the University of Miami. Her areas of research and teaching are Occupational and Environmental Medicine and Epidemiology. She is Co-Director of the National Science Foundation (NSF) - National Institute of Environmental Health Sciences (NIEHS) University of Miami Oceans and Human Health Center, and the Associate Director of the Florida International University (FIU)-University of Miami NIEHS ARCH Program. She works in the areas of marine and freshwater toxins, recreational microbes, environmental human health, and epidemiologic issues. Working with various Center colleagues and others, she has created educational materials concerning the human health effects of marine and freshwater natural toxins, and performed research in ciguatera fish poisoning, Florida red tides (brevetoxins) and cyanobacterial toxins. One of her current research focuses is the study of human health effects of microbial pollution in recreational beach waters.