Pfizer and BioNTech say three doses of their vaccine provide a high level of protection against the omicron variant of the virus that causes Covid-19. CNBC’s Meg Tirrell breaks down the latest data and reports the third shot shows virus-fighting abilities comparable with the 95% protection provided by two doses against the original strain of the virus. CNBC’s Ylan Mui reports how Congress is trying to block the Biden administration’s nationwide Covid-19 vaccine mandate on businesses. Sen. Mark Warner, chairman of the U.S. Senate Select Committee on Intelligence, discusses Capitol Hill’s latest focus on Big Tech as Instagram’s Adam Mosseri prepares to testify. Plus, the House passed a bill that would allow the Senate to raise the debt ceiling with a simple majority vote.

In this episode:
Sen. Mark Warner, @MarkWarner
Ylan Mui, @ylanmui
Joe Kernen, @JoeSquawk

Becky Quick, @BeckyQuick

Andrew Ross Sorkin, @andrewrsorkin

Katie Kramer, @Kramer_Katie

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