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Since vaccine distribution began in the U.S. on Dec. 14, more than 50 million doses have been administered, reaching 11.2% of the total U.S. population, according to federal data collected by the Centers for Disease Control and Prevention. The U.S. is currently administering over 1.6 million shots a day.
Author(s): Pien Huang, Audrey Carlsen
Publication Date: 14 February 2021
Publication Site: NPR