Pfizer COVID-19 vaccine
A medical staff member prepares the Pfizer COVID-19 vaccine at Tudor Ranch in Mecca, California. Image Credit: AP

Washington: Pfizer-BioNTech asked for authorization on Friday to use their COVID-19 vaccine on 12-15 year olds in the United States.

The companies said in a statement that they plan to make similar requests of other regulatory authorities worldwide in coming days.