Sumit Chanda, Ph.D. (IMAGE) Sanford Burnham Prebys Caption Sumit Chanda, co-senior study author and director of the Immunity and Pathogenesis Program at Sanford Burnham Prebys. 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.