Pfizer-BioNTech authorized vaccine for children 12 and up.“It’s very good news,” he told reporters, adding that teams are preparing for the eventual rollout.Dubé says that as of Thursday, a total of 40 per cent of eligible Quebecers have received a first shot.The latest announcement comes as the province gradually lowers the age of vaccine eligibility and has promised to open appointments to all adults by the middle of May.The government’s goal is to give a first dose to anyone over the age of 18 by June 24.— With files from The Canadian Press.