Uncovering health inequities (IMAGE) University of Delaware Caption A cross-sectional study of free COVID tests conducted by Walgreens from May 2021 through February 2022 found that non-white individuals were more likely to test positive for COVID-19. The research conducted by Assistant Professor of Epidemiology Daniel Harris also found the omicron variant more prevalent in racial and ethnic minority groups during its emergence, especially in urban settings. Credit Kathy F. Atkinson/ University of Delaware Usage Restrictions Must credit Kathy F. Atkinson/ University of Delaware License Original 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.