Salk coronavirus illustration (IMAGE) Salk Institute Caption Salk scientists tackle COVID-19 pandemic, caused by the SARS-CoV-2 virus (illustrated) with innovative research projects on immunity, vaccine development, viral imaging and more. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.