Dr. David Fajgenbaum was close to dying of Castleman's disease, but ended up pursuing a cure for this rare disease. In this ASCO podcast episode, Dr. David Fajgenbaum, American immunologist and author, tells about his involvement in finding a cure for the rare Castleman's disease. He discusses his methodical experiences and relates them to the current search for a cure for COVID-19. Dr. David Fajgenbaum was guest speaker at the opening of the ASCO 2020 Annual Virtual Meeting. This podcast was originally brought by ASCO DAILY NEWS.