Virologist Sumit Chanda, Ph.D. (IMAGE) Sanford Burnham Prebys Caption Sumit Chanda, Ph.D., a professor at Sanford Burnham Prebys Medical Discovery Institute, gestures to experimental assays that test for compounds that may treat COVID-19. Credit Sanford Burnham Prebys Medical Discovery Institute Usage Restrictions Please credit Sanford Burnham Prebys Medical Discovery Institute when using the image 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.