Discovering the
future of medicine

H. Fred Clark, D.V.M., Paul A. Offit, M.D., and Stanley A. Plotkin, M.D., of The Wistar Institute and the Children’s Hospital of Philadelphia, began their effort to create a vaccine against a virus that causes severe diarrhea and vomiting among infants and young children and is responsible for tens of thousands of hospitalizations in the United States and hundreds of thousands of deaths around the world each year.