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Pfizer scientist speaks out on whether Covid variants will impact vaccine efficacy

Amid questions of whether a third dose will be needed, Pfizer VP and chief scientific officer Phil Dormitzer tells NBC News’ Miguel Almaguer “we don’t yet have evidence” that the vaccine needs to be changed.

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Pfizer scientist speaks out on whether Covid variants will impact vaccine efficacy

Amid questions of whether a third dose will be needed, Pfizer VP and chief scientific officer Phil Dormitzer tells NBC News’ Miguel Almaguer “we don’t yet have evidence” that the vaccine needs to be changed.
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