Chen and Case in BSL3 (IMAGE) Washington University School of Medicine Caption M.D./Ph.D. student Rita Chen (left) and Brett Case, Ph.D., a postdoctoral researcher, prepare to work with SARS-CoV-2, the virus that causes COVID-19, under strict biosafety conditions. Chen, Case and M.D./Ph.D. student Emma Winkler co-led a study with virologist and immunologist Michael S. Diamond, M.D., Ph.D., at Washington University School of Medicine in St. Louis, to assess how well antibody-based drugs for COVID-19 perform against a range of virus variants. Credit Matt Miller Usage Restrictions This image is to be used in accordance with the mission, policies and guidelines of Washington University in St. Louis. Visit https://wustl.edu/about/compliance-policies/media-policies/multimedia-use/ for more information. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.