It was Canada’s worst fear in March 2020—CoVID-19 reached the great white north. With increasing case counts and hospital burden throughout the country and in Ontario, government officials were looking to lean on healthcare economists to predict the impact of the pandemic. Dr. Beate Sander’s research highlights the importance of epidemiological modelling and how it guided public policy in Ontario. With the ever-changing data from around the world, her team highlighted the importance of certain measures to stop the spread. She discusses how the pandemic affects certain populations disproportionally. Plus, she expresses the need for better public data infrastructures, reporting, tracking and analytics to be well prepared in the future.