Peptide photo (IMAGE) University of Missouri-Columbia Caption The fusion peptide on the SARS-CoV-2 spike (pictured here) plays a key role in virus/cell attachment. Credit Courtesy of University of Missouri Usage Restrictions Courtesy of University of Missouri 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.