Why your masks may not be as protective as you think

With more contagious variants of COVID-19 on the rise, there’s more talk of improving people’s masks. The type of mask is important, but as The National’s Andrew Chang found out, so is its fit.
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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.