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Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Evidence shows that, yes, masks prevent COVID-19 – and surgical masks are the way to go

By Laura (Layla) H. Kwong, Assistant Professor of Environmental Health Sciences, University of California, Berkeley
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Since the coronaviurs first began spreading around the globe, people have debated how effective masks are at preventing COVID-19. A year and a half in, what does the evidence show?


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