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Leah Malloy, 6, receives the Pfizer COVID-19 vaccine for children 5 to 11 years from Lurie Children’s hospital registered nurse Jeanne Bailey at Lurie Children’s hospital Friday, Nov. 5, 2021, in Chicago. Health officials hailed shots for kids ages 5 to 11 as a major breakthrough after more than 18 months of illness, hospitalizations, deaths and disrupted education. (AP Photo/Nam Y. Huh)