Ezra Cohen, M.D., UC San Diego Health (IMAGE) University of California - San Diego Caption Ezra Cohen, M.D., heads the San Diego Center for Precision Immunotherapy at UC San Diego Health. Credit UC San Diego Health 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.