Some potential COVID-19 vaccines are already in the third stage of clinical trials. It’s taken a lot of effort and money to squeeze a process that can normally take five years into about 10 months and still be done safely.

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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.