News Pfizer-BioNTech vaccine approved for children 12-15; Health Canada SHARE ON: Mohamed Fahim, staff Wednesday, May. 5th, 2021 Photo: First Nations Health Authority/Twitter It could be a significant milestone in the fight against the spread of COVID-19 in Canadian schools. Pfizer-BioNTech’s vaccine can now be given to 12 to 15-year-olds. It’s the first COVID-19 vaccine Health Canada has authorized for use in children. Health Canada initially authorized the vaccine for use in people 16 years of age and older on December 9th.