A vial of the Pfizer-BioNTech COVID-19 vaccine for children 5 to 12 years old sits ready for use at a vaccination site in Fort Worth, Texas, Thursday, Nov. 11, 2021. Kids ages 5 to 11 should get a booster dose of Pfizer’s COVID-19 vaccine, advisers to the U.S. government said Thursday, May 19, 2022. (AP Photo/LM Otero, File)