Variants could threaten vaccine progress as Biden Administration misses its July 4 goals

Variants could threaten vaccine progress as Biden Administration misses its July 4 goals – CBS News<!– –>

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The Delta variant could threaten progress made against COVID-19. Dr. Ashish Jha, Dean of Brown University School of Public Health, joins “CBS This Morning” with the latest on how effective the authorized COVID vaccines are at protecting us from the Delta variant.

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