ABC News March 4, 2021

What we know about COVID-19 vaccine effectiveness against variants

Name: What we know about COVID-19 vaccine effectiveness against variants
Uploaded: 2021-03-04T17:27:27
Duration: PT110.0S
Description: Dr. Jen Ashton answers viewers’ latest coronavirus questions.

Dr. Jen Ashton answers viewers’ latest coronavirus questions.

What we know about COVID-19 vaccine effectiveness against variants

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