00:08 — Anthony D’Agostino, professor of history emeritus at San Francisco State University.
00:33– Dr. John Swartzberg, clinical professor emeritus of infectious diseases at UC Berkeley’s School of Public Health.
00:08 — Anthony D’Agostino, professor of history emeritus at San Francisco State University.
00:33– Dr. John Swartzberg, clinical professor emeritus of infectious diseases at UC Berkeley’s School of Public Health.