A person receives a Pfizer COVID-19 vaccine booster shot, Dec. 20, 2021, in Federal Way, Wash. On Sept. 1, 2023, The Associated Press reported on stories circulating online incorrectly claiming that the U.S. Centers for Disease Control and Prevention said that a new COVID-19 variant is more contagious among vaccinated people than those who are unvaccinated. (AP Photo/Ted S. Warren, File)
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