Canada has received more than 430,000 doses of the COVID-19 vaccine. But as of Thursday, only about 45 per cent of those doses have gone into arms. Those numbers are sourced from the COVID-19 Canada Open Data Working Group, made up of public health experts and data scientists from the University of Toronto and the University of Guelph.

Provincial governments across the country have been roundly criticized for not administering the vaccines they got in mid December quickly enough. Today on Front Burner, Globe and Mail health columnist André Picard and scientist Krishana Sankar, on why the rollout has been so challenging and what can be done about it.