ABC News February 23, 2021

Have scientists experimented with mixing COVID-19 vaccines?

Name: Have scientists experimented with mixing COVID-19 vaccines?
Uploaded: 2021-02-23T17:00:16
Duration: PT113.0S
Description: Dr. Jen Ashton answers viewers’ questions about health and the coronavirus.

Dr. Jen Ashton answers viewers’ questions about health and the coronavirus.

Have scientists experimented with mixing COVID-19 vaccines?

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