Which COVID-19 vaccine is better? (spoiler, they’re all good)

Dr. Samir Gupta explains how the four COVID-19 vaccines now approved in Canada (Pfizer, Moderna, AstraZeneca, Janssen) work and why efficacy rates aren’t the most important number to look at.

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#Vaccines
#COVID19

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The National is CBC's flagship nightly news program, featuring the day's top stories with in-depth and original journalism, with hosts Adrienne Arsenault and Andrew Chang in Toronto, Ian Hanomansing in Vancouver and the CBC's chief political correspondent, Rosemary Barton in Ottawa.