The introduction of a mandatory mask policy was associated with significantly reduced COVID-19 cases in a major metropolitan city

Nick Scott; Allan Saul; Tim Spelman; Mark Stoove; Alisa Pedrana; Alexander Saeri; Emily Grundy; Liam Smith; Michael Toole; Chandini Raina McIntyre; Brendan S. Crabb; Margaret Hellard

PLoS ONE (2021) - Comments
doi: 10.1371/journal.pone.0253510 issn: 1932-6203 pubmed: 34288910

Nick Scott, Allan Saul, Tim Spelman, Mark Stoove, Alisa Pedrana, Alexander Saeri, Emily Grundy, Liam Smith, Michael Toole, Chandini Raina McIntyre, Brendan S. Crabb, Margaret Hellard

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