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Pfizer Says Vaccine Is 95% Effective03:43
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November 18, 2020

After concluding a phase 3 study of its COVID-19 vaccine candidate, Pfizer revealed Wednesday that the vaccine has 95% efficiency.

Here & Now's Robin Young gets the latest from Helen Branswell, senior writer at STAT, the health and medicine publication.

This segment aired on November 18, 2020.

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