Uploaded March 2023 | Updated September 2026, 23 hours ago
Johns Hopkins Professor and infectious disease epidemiologist Dr. David Dowdy returns to the podcast to talk with Dr. Josh Sharfstein about some of the latest studies on the effectiveness of masks in protecting people from COVID
Johns Hopkins Professor and infectious disease epidemiologist Dr. David Dowdy returns to the podcast to talk with Dr. Josh Sharfstein about some of the latest studies on the effectiveness of masks in protecting people from COVID










