PBS News Hour

The science behind potential COVID-19 vaccines

As drug companies around the world rush to develop candidates for coronavirus vaccines, Pfizer announced encouraging early data from its own trials Monday. What do the preliminary results show, and even if they are borne out, what challenges remain with regard to production and distribution of the vaccine? Science correspondent Miles O’ Brien joins William Brangham to discuss.

The science behind potential COVID-19 vaccines

5m 18s

  • January 1, 2025 - PBS News Hour full episode: asset-mezzanine-16x9

    January 1, 2025 - PBS News Hour full episode

    S2025 E1 - 57m 46s

    Wednesday on the News Hour, New Year's celebrations turned to horror as a driver tore through Bourbon Street in New Orleans, killing and wounding multiple people. Then, we examine Jimmy Carter's global health legacy as the late president's goal of eradicating a tropical disease appears within reach. Plus, new research shows exercise could be the "most potent medical intervention ever known.”

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