This photo provided by Pfizer shows the production of Pfizer’s COVID-19 vaccine for children un …

This photo provided by Pfizer shows the production of Pfizer's COVID-19 vaccine for children un ...

This photo provided by Pfizer shows the production of Pfizer’s COVID-19 vaccine for children under 5 on May 2022 in Puurs, Belgium. U.S. regulators on Friday, June 17, authorized the first COVID-19 shots for infants and preschoolers, paving the way for vaccinations to begin next week.(Pfizer via AP)