A healthcare worker prepares to administer a Pfizer/BioNTEch coronavirus disease (Covid-19) vaccine at The Michener Institute, in Toronto, Ontario on December 14, 2020. - Ontario, Canada's most populous province and one of the hardest hit by the pandemic, had 1,940 new cases and 23 deaths on Monday. The province is expected to give its next doses to nursing home workers as a priority, according to media reports. © POOL/AFP via Getty Images