What you need to know about the delta variant



Respirologist Dr. Samir Gupta breaks down what is known about the coronavirus delta variant, including what makes it different, how dangerous it is and whether vaccines protect against it.

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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.

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