Michael Clarke

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  • Adjunct Professor, Interfacluty Program in Public Health, Schulich School of Medicine and Dentistry, Western University, Western University
New variants of SARS-CoV-2, the virus that causes COVID-19, arise through mutations when the virus replicates in an infected host’s cells. (NIAID, cropped from original)

How new COVID‑19 variants emerge: Natural selection and the evolution of SARS‑CoV‑2

Michael Clarke, Western University

COVID-19 variants are the products of the evolution of the SARS-CoV-2 virus. They arise via mutations, but other forces also have roles to play in the generation and transmission of variants.

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