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A vaccine's approved. What's in the shot?

The Pfizer-BioNTech vaccine is now approved for use in Canada to combat COVID-19. Today, a conversation with infectious disease epidemiologist Dr. Maria Sundaram on what you need to know about it and how safe it is.
With the recent announcement that Health Canada has approved the Moderna COVID-19 vaccine, the second drug now being made available to the public, many Canadians are likely wondering when it will be their turn to get inoculated.  (Matthew Horwood/Getty Images)

Health Canada has approved the Pfizer-BioNTech after scientists wrapped up a two-month review of the company's clinical trial data. The approval is a crucial step in what will be the largest vaccination campaign in Canadian history. Today, host Jayme Poisson goes through what we know about the vaccine with Dr. Maria Sundaram, an infectious disease epidemiologist based in Toronto.