Pfizer study says updated COVID boosters rev up protection


              FILE- A Pfizer logo is shown at their global supply Kalamazoo manufacturing plant in Portage, Mich., on Dec. 11, 2020. Pfizer’s updated COVID-19 booster significantly revved up adults’ virus-fighting antibodies, the company said Friday, Nov. 4, 2022 -- early findings from a rigorous study of the new shots. (AP Photo/Paul Sancya, File)
            
              FILE - Booster shots of the Pfizer COVID-19 vaccine are displayed during a vaccine clinic in Townshend, Vt., on Tuesday, Sept. 20, 2022. Pfizer’s updated COVID-19 booster significantly revved up adults’ virus-fighting antibodies, the company said Friday, Nov. 4, 2022 -- early findings from a rigorous study of the new shots. (Kristopher Radder/The Brattleboro Reformer via AP)
Pfizer study says updated COVID boosters rev up protection