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Dr. Shoshana Ungerleider: ‘Vaccinated people can essentially return to life as usual’

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The CDC announced Thursday that mask are no longer necessary for fully vaccinated people. MSNBC’s Craig Melvin is joined by MSNBC medical contributor, Dr. Kavita Patel and internal medicine physician, Dr. Shoshana Undgerleider to answer viewer questions regarding the CDC’s new guidelines.