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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.

Why new COVID-19 variants are on the rise and spreading around the world

By Sarah Otto, Killam University Professor in Evolutionary Biology, University of British Columbia
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Multiple COVID-19 variants are circulating around the world and becoming more common. These mutations can alter the ability of the virus to take hold and replicate within our cells.


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