Skip to main content
Back to Show
PBS News Hour

What scientists know about COVID-19 -- and what they don't

How much do we know about COVID-19, the virus spreading misery across the globe? Dr. Siddhartha Mukherjee joins Jeffrey Brown to discuss understanding the dynamics of the virus within people it has infected, why some experience much more severe forms of illness than others, how we can limit asymptomatic transmission and the need to buy medical researchers time to develop treatments.

Support Provided By
Season
September 13, 2025 - PBS News Weekend full episode
26:45
September 13, 2025 - PBS News Weekend full episode
September 12, 2025 - PBS News Hour full episode
57:46
September 12, 2025 - PBS News Hour full episode
September 11, 2025 - PBS News Hour full episode
57:46
September 11, 2025 - PBS News Hour full episode
September 10, 2025 - PBS News Hour full episode
57:46
September 10, 2025 - PBS News Hour full episode
September 9, 2025 - PBS News Hour full episode
57:46
September 9, 2025 - PBS News Hour full episode
September 8, 2025 - PBS News Hour full episode
56:44
September 8, 2025 - PBS News Hour full episode
September 7, 2025 - PBS News Weekend full episode
26:45
September 7, 2025 - PBS News Weekend full episode
September 6, 2025 - PBS News Weekend full episode
26:45
September 6, 2025 - PBS News Weekend full episode
September 5, 2025 - PBS News Hour full episode
57:46
September 5, 2025 - PBS News Hour full episode
September 4, 2025 - PBS News Hour full episode
57:46
September 4, 2025 - PBS News Hour full episode
September 3, 2025 - PBS News Hour full episode
57:46
September 3, 2025 - PBS News Hour full episode
September 2, 2025 - PBS News Hour full episode
57:46
September 2, 2025 - PBS News Hour full episode
Active loading indicator