Yuman Fong, M.D. (IMAGE) City of Hope Caption Yuman Fong, M.D., the Sangiacomo Family Chair in Surgical Oncology at City of Hope developed the CF33 oncolytic virus. Credit City of Hope Usage Restrictions Please use credit info License Original 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.