Dr. Stephenson is a physician-scientist who specializes in infectious diseases and HIV immunology, and the goal of her research is to develop novel biomedical interventions to prevent and treat HIV and emerging infectious diseases such as Zika virus. In particular, she is interested in the design and evaluation of HIV vaccines and monoclonal antibodies that can be effective in the face of tremendous HIV sequence diversity, as well as in the development of Zika vaccines. As an immunologist, her expertise is in the extensive epitope mapping of cellular and humoral immune responses. As a clinical investigator, her expertise is in the translation of novel vaccines and monoclonal antibodies into First-in-Human, Phase 1 clinical trials, and she is the Director of the Center for Virology and Vaccine Research Clinical Trials Unit. She is also Associate Editor of Clinical Immunology.