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Dr. Amesh Adalja on why he says we need to be "as bold as we can" in guidance for vaccinated people: "We want to show them that their lives change when they get this vaccine"

We're expecting new guidance for vaccinated people from the CDC. Dr. Amesh Adalja, a Senior Scholar at the Johns Hopkins Center for Health Security, joins Katy Tur with what he's expecting to see.

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