Cryo-EM Reconstructions (IMAGE) Columbia University Irving Medical Center Caption Cryo-EM reconstructions show how two different antibodies (blue) bind to the spike protein of the SARS-CoV-2 virus. Credit David Ho / Columbia University Irving Medical Center Usage Restrictions None 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.