Leah Lefkove, 9, shows off her vaccination sticker just before being the first child to be vaccinated at the Viral Solutions vaccination and testing site in Decatur, Ga., on the first day COVID-19 vaccinations were available for children from 5 to 12 on Wednesday, Nov. 3, 2021. The U.S. enters a new phase Wednesday in its COVID-19 vaccination campaign, with shots now available to millions of elementary-age children in what health officials hailed as a major breakthrough after more than 18 months of illness, hospitalizations, deaths and disrupted education. (AP Photo/Ben Gray)