ABC News February 25, 2022

Have cloth masks been proven ineffective in protecting from COVID-19?

Name: Have cloth masks been proven ineffective in protecting from COVID-19?
Uploaded: 2022-02-25T17:33:36
Duration: PT109.0S
Description: Dr. Jen Ashton answers viewers’ COVID-19 and health questions.

Dr. Jen Ashton answers viewers’ COVID-19 and health questions.

Have cloth masks been proven ineffective in protecting from COVID-19?

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