Coronavirus tracker: Follow the spread of COVID-19 as case numbers remain high in most of Canada. Read more: COVID-19 transmission on flights 'extremely rare,' Dr. Tam says; What Pfizer's early COVID-19 vaccine results mean for Canadians. Click below to watch more from The NationalExperts cautiously optimistic about Pfizer’s COVID-19 vaccine 2:05 Pfizer says initial data suggests its COVID-19 vaccine is 90 per cent effective. "If the rate of COVID-19 spread continues, the consequences to the people of Alberta will be catastrophic," the letter said. Based on the Phase 1 data, Medicago plans to proceed with a Phase 2/3 clinical trial for its plant-based COVID-19 vaccine candidate, subject to regulatory approval.

Source: CBC News November 10, 2020 21:00 UTC