Most of Ontario's public health units wasted dozens of COVID-19 vaccine doses last month. CBC News contacted all 34 Ontario public health units to ask how many, and why, doses were wasted in March as vaccination capacity ramped up significantly. Some health units report having vaccine doses expire. Extra doses make up for wasteThe amount of extra doses pulled from vials ranges wildly between health units. (Evan Mitsui/CBC)The head of York Region Public Health Services, which reported 1,220 wastages in March, the most of the public health units that responded to CBC News, isn't too worried either — calling it "not true wastage."

Source: CBC News April 16, 2021 09:00 UTC