Global National January 26 2021 8:08pm 02:35 Human clinical trials begin on Canadian-made COVID-19 vaccine Canada’s Providence Therapeutics has begun human clinical trials on its COVID-19 vaccine candidate. Heather Yourex-West explains when this made-in-Canada solution could become a reality. Hope, doubt loom as human clinical trials begin on Calgary-made COVID-19 vaccine Calgary company begins human clinical trials for its COVID-19 vaccine candidate Responsive site?