Pfizer submits trial data on vaccine use in children aged 5-11 to Health Canada - CityNews Toronto<br/><a href="https://toronto.citynews.ca/2021/10/02/pfizer-submits-trial-data-on-vaccine-use-in-children-aged-5-11-to-health-canada/" rel="noreferrer noopener" target="_blank">citynews.ca</a>