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Pfizer says COVID booster adds protection against omicron

Blood samples taken a month after a booster showed people had levels of omicron-neutralizing antibodies that were similar to amounts proven protective against earlier variants after two doses.

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COVID-19 shots for kids 5 to 11 approved by US

U.S. health officials on Tuesday gave the final signoff to Pfizer’s kid-size COVID-19 shot, a major expansion of the nation’s vaccination campaign.

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