How worried should we be about the new coronavirus variants?

HamaraTimes.com | How worried should we be about the new coronavirus variants?

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Illustration of the B.1.1.7 coronavirus variant’s spike protein (red)

Juan Gaertner/Science Photo Library

THE rise and spread of new variants of the coronavirus are seen as ushering in a dangerous new phase of the covid-19 pandemic. But from the virus’s perspective, nothing has changed. It is just doing what comes naturally to viruses: evolving.

It is now well-established that SARS-CoV-2 is a coronavirus with a large and unusually stable RNA genome, but that doesn’t mean it doesn’t change at all. Unlike most other RNA viruses, which are among the most mutation-prone biological entities in the world, SARS-CoV-2’s genome changes very slowly. This is largely …

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