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The Conversation
The Conversation
Health
Catherine Clase, Physician, epidemiologist, professor, McMaster University

What's next with face masks? Keep wearing them in public, wear the best mask available and pay attention to fit

McMaster University
Fit, fabric and design affect mask effectiveness. (Windsor Essex Sewing Force), Author provided

Early in the pandemic, mask-wearing policies were consistently associated with decreased transmission of SARS-CoV-2. At that time, the masks worn were generally made of cloth and often improvised.

The highly-transmissible Omicron variant focused attention on mask performance.

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