by The Canadian Press Last Updated Apr 20, 2021 at 5:09 am ADT Pharmacist Barbara Violo arranges all the empty vials of the Oxford-AstraZeneca COVID-19 vaccines that she has provided to customers at the Junction Chemist which is a independent pharmacy during the COVID-19 pandemic in Toronto, on Monday, April 19, 2021. THE CANADIAN PRESS/Nathan Denette Younger Canadians in several provinces are now able to get the Oxford-AstraZeneca COVID-19 vaccine. Starting today, those aged 40 and over in Ontario and Alberta can get the shot. Previously, the minimum age to receive AstraZeneca was 55 because of a slightly elevated risk of an extremely rare blood clot disorder.