COVID-19: Dexamethasone discovery carries treatment implications (IMAGE) University of Virginia Health System Caption Lead researcher Wladek Minor, PhD, of the University of Virginia School of Medicine Department of Molecular Physiology and Biological Physics. His discovery suggests diabetes and other factors may reduce dexamethasone's potentially lifesaving effectiveness for patients with severe COVID-19. Credit Dan Addison | UVA Communications Usage Restrictions May be used to accompany news coverage of the dexamethasone discovery. All other uses require express written permission from UVA Health. 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.