Dr. Theresa Tam says non-medical masks can prevent asymptomatic spread of virus | COVID-19

Uploader: Toronto Star

Original upload date: Mon, 06 Apr 2020 00:00:00 GMT

Archive date: Sun, 07 Nov 2021 22:12:50 GMT

Canada's top public-health doctor says wearing masks is a way for people who might have COVID-19 without realizing it to keep from spreading the illness to others. That's a change from previous advice
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