A new coronavirus variant, B1526, now spreading in New York City first emerged in November, and some of its characteristics give it the potential to reduce the efficacy of COVID-19 vaccines.

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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.