This photo provided by Nisha Gandhi shows Maya Huber taking part in Pfizer COVID-19 vaccine study at Rutgers University on June 14 2021 in New Brunswick, N.J. Maya does not know if she is receiving the vaccine or the placebo.
Pfizer says its COVID-19 vaccine works for children ages 5 to 11. The vaccine maker said Monday, Sept. 20, it plans to seek authorization for this age group soon in the U.S., Britain and Europe. The vaccine made by Pfizer and its German partner BioNTech already is available for anyone 12 and older. (Nisha Gandhi via AP)
FILE - In this Dec. 15, 2020, file photo, a droplet falls from a syringe after a person was injected with the Pfizer COVID-19 vaccine at a hospital in Providence, R.I. (AP Photo/David Goldman, File)