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How to double mask - Dos and Don'ts

Studies by the US Centers for Disease Control found that wearing a double mask - cloth and surgical or disposable - reduces exposure to the Covid-19 virus by nearly 95 per cent #ExpressExplained Subscribe to Indian Express: http://goo.gl/RjJrX0 The Indian Express Online covers all trending and latest news across India, which includes daily news, political news, gadgets and Mobile reviews, technology updates, Entertainment News, Bollywood news, public opinions and views on daily trends. Connect with us: Facebook: https://www.facebook.com/indianexpress Twitter: https://twitter.com/indianexpress Indian Express App: http://indianexpress.com/apps/ Official Website: https://indianexpress.com/
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