Dr. McElroy is a pediatric infectious disease physician with a research interest in hemorrhagic fever viruses. She holds an appointment as an Assistant Professor in the School of Medicine at the University of Pittsburgh. She is a member of the University of Pittsburgh Center for Vaccine Research. She provides clinical care at UPMC Children's Hospital of Pittsburgh. Her lab focuses on the mechanisms by which hemorrhagic fever viruses cause disease.

Clive Gray is Professor of Immunology and Chair, Division of Immunology in the Institute of Infectious Disease and Molecular Medicine, University of Cape Town. He is also visiting professor in the Department of Immunology, Duke University. He is vice-chair of the IUIS Education Committee and Secretary General of the Federation of African Immunology Societies. He has worked in HIV immunology for over twenty years and is passionate about building immunology capacity in Africa. He is director of the Immunopaedia Foundation and runs the award winning on-line immunology education and teaching immunopaedia platform. He has trained in excess of 500 students around Africa over the past 10 years.