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Scientists still researching whether vaccine prevents COVID-19 transmission
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As COVID-19 vaccines are administered around the world, scientists continue conducting research to determine how effective the shots are at preventing transmission of the virus.
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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.
Watch The National live on YouTube Sunday-Friday at 9 p.m. ET
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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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