FDA set to authorize Pfizer COVID-19 vaccine for children ages 12 to 15 Marco Verch/Creative Commons Following a trial of Pfizer's COVID-19 vaccine, which was demonstrated to be highly effective in children, the vaccine is waiting on authorization from the Food and Drug Administration for use in children ages 12 to 15. Berkeley Unified School District spokesperson Trish McDermott noted how the potential authorization would help mitigate risks for middle schools and high schools. ( Marco Verch under CC BY-SA 2.0.)