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Nation/World News Support Local News. We ve been with you throughout the pandemic, the vaccinations and the reopening of schools, businesses and communities. There s never been more of a need for the kind of local, independent and unbiased journalism that The Day produces. Please support our work by subscribing today. Pfizer suggests booster shots needed this year. Government officials disagree. In this March 2021 photo provided by Pfizer, vials of the Pfizer-BioNTech COVID-19 vaccine are prepared for packaging at the company s facility in Puurs, Belgium. Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday, July 8, 2021, that another shot within 12 months could dramatically boost immunity and maybe help ward off the latest worrisome coronavirus mutant. (Pfizer via AP)

United statesUnited kingdomSouth koreaFrank damelioJohnp mooreJohn wherrySam fazeliJerica pittsJohn murphyCenters for diseaseUniversity of pennsylvania perelman school medicineHuman servicesNational institutes of healthDrug administrationEmory university rollins school of public healthNational health service