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BREAKING: US health officials call for booster shots against COVID-19
Aug 18, 2021, 8:45 AM

FILE - In this June 11, 2021, file photo, a healthcare worker administrates a dose of the Pfizer COVID-19 vaccine to a student during a vaccination clinic hosted by Jewel Osco in Wheeling, Ill. U.S. health officials Wednesday, Aug. 18, recommended all Americans get COVID-19 booster shots to shore up their protection amid the surging delta variant and evidence that the vaccines' effectiveness is falling. (AP Photo/Nam Y. Huh, File)
(AP Photo/Nam Y. Huh, File)
NEW YORK (AP) — U.S. health officials Wednesday recommended all Americans get COVID-19 booster shots to shore up their protection amid the surging delta variant and evidence that the vaccines’ effectiveness is falling.