Dr. Kayvon Modjarrad is the Director of the Emerging Infectious Diseases Branch at the Walter Reed Army Institute of Research. He is an infectious disease physician and vaccine scientist who has led efforts to develop, test, and advance vaccine candidates against multiple pathogens of universal significance, including HIV, RSV, Ebola, MERS-CoV, and Zika. Today, Dr. Modjarrad leads the United States Army's development of a vaccine against COVID-19 and co-leads all of WRAIR’s COVID-19 response efforts.