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Dr. Kavita Patel: The US 'should be concerned’ about the Delta variant

06:25

Kasie Hunt is joined by Dr. Kavita Patel to weigh in on the news that spectators will be banned from the Tokyo Olympics following Japan declaring a state of emergency. Dr. Patel also encourages people to get their second dose of the vaccine, even if it is delayed, with new studies showing that a single dose “barely” provides protection against the surging Delta variant.