Drs. Stanberry and Barrett are highly respected authorities in vaccine development. Dr. Barrett researches tropical virus diseases such as dengue, West Nile, yellow fever and Japanese encephalitis. He has made important contributions to molecular aspects of immunogens and preclinical development of candidate vaccines for these diseases, and studies on the current yellow fever 17D vaccine. Dr Stanberry focuses on sexually transmitted diseases research and has made important contributions in the area of tropical microbicides an in herpes simplex virus pathogenesis, immunobiology, and antiviral therapy. He has played major roles in the pre-clinical and clinical assessment of many of the herpes vaccines currently in development.