Boucher covid image (IMAGE) University of North Carolina Health Care Caption SARS-CoV-2 (red) infected ciliated cells in the COVID-19 patient's bronchi. Credit Takanori Asakura, PhD, UNC School of Medicine Usage Restrictions credit properly 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.