ABC News March 30, 2021

How effective are COVID-19 mRNA vaccines in the real world?

Name: How effective are COVID-19 mRNA vaccines in the real world?
Uploaded: 2021-03-30T15:48:29
Duration: PT126.0S
Description: Dr. Jen Ashton has the latest vaccine efficacy numbers from the CDC.

Dr. Jen Ashton has the latest vaccine efficacy numbers from the CDC.

How effective are COVID-19 mRNA vaccines in the real world?

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