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Vaccine maker races to combat new coronavirus variants

Name: Vaccine maker races to combat new coronavirus variants
Uploaded: 2021-02-25T18:35:32-0500
Duration: 1 min 27 s
Description: AstraZeneca will try for emergency approval of its vaccine in the U.S. after scientists found this version of the vaccine has been effective against the U.K. variant. Charlie D'Agata reports.

AstraZeneca will try for emergency approval of its vaccine in the U.S. after scientists found this version of the vaccine has been effective against the U.K. variant. Charlie D'Agata reports.