Next Covid variant of concern could come from delta lineage, says Dr. Gottlieb
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Next Covid variant of concern could come from delta lineage, says Dr. Gottlieb

CNBC's "Squawk Box" team discusses the new details that emerged about research being done on coronavirus at a Wuhan lab and the mu variant with Dr. Scott Gottlieb, former FDA commissioner.
05:23
Wed, Sep 8 20218:58 AM EDT