US gives final clearance to COVID-19 shots for kids 5 to 11

FILE - This October 2021, photo provided by Pfizer shows kid-size doses of its COVID-19 vaccine in Puurs, Belgium. (Pfizer via AP, File)

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.