Up Next
Back to Show
PBS News Hour
Is the Pfizer booster shot necessary? An expert weighs in
Pfizer's recent push to add a booster shot to its COVID-19 vaccination protocol seems to be at odds with what many people understood about the drug's effectiveness. And, as William Brangham reports, it has also prompted real concern among healthcare professionals. Dr. Kirsten Bibbins-Domingo, a professor of epidemiology and biostatistics at the University of California joins us to discuss.
Support Provided By

57:46
September 22, 2025 - PBS News Hour full episode

26:45
September 21, 2025 - PBS News Weekend full episode

26:45
September 20, 2025 - PBS News Weekend full episode

57:46
September 19, 2025 - PBS News Hour full episode

57:46
September 18, 2025 - PBS News Hour full episode

57:46
September 17, 2025 - PBS News Hour full episode

57:46
September 16, 2025 - PBS News Hour full episode

56:45
September 15, 2025 - PBS News Hour full episode

26:45
September 14, 2025 - PBS News Weekend full episode

26:45
September 13, 2025 - PBS News Weekend full episode

57:46
September 12, 2025 - PBS News Hour full episode

57:46
September 11, 2025 - PBS News Hour full episode