SARS-CoV-2 protein machine (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A rendering of the SARS-CoV-2 machinery illustrating its ability to rapidly shift structural arrangement - like a bicycle changing gears - in order to perform different tasks. Credit Greg Hura/Berkeley Lab Usage Restrictions Use attribution 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.