U.S. regulators on Monday authorized the emergency use of Pfizer Inc.'s coronavirus vaccine for adolescents as young as 12 years old, lowering the minimum age from 16.The move will help protect junior and senior high school students from COVID-19, the respiratory illness caused by the novel coronavirus, as the administration of President Joe Biden continues its mass vaccination campaign to bring an end to the pandemic.The regimen of two doses administered three weeks apart of the vaccine developed by the U.S. pharmaceutical giant and its German partner BioNTech SE will be retained for the 1…READ FULL ARTICLE