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As of Sunday, more than 123 million Americans over the age of 12 are fully vaccinated, according to CDC data. That represents roughly 44% of the American population over 12, the CDC said.

\"PHOTO:
Charlie Riedel/AP, FILE
PHOTO: Students sit separated by plastic dividers during lunch at Wyandotte County High School in Kansas City, Kan., March 21, 2021.
>

Although the agency's guidance permits vaccinated Americans to go maskless, several states haven't lifted their mask mandates, and officials are urging Americans to get their shots as soon as they can.

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