nature video | Coronavirus variants: What you need to know @NatureVideoChannel | Uploaded April 2021 | Updated October 2024, 6 days ago.
As the global COVID-19 pandemic continues - viral variants have become the latest concern

But variants are complicated. Each one is made up of a collection of mutations, all of which have the potential to change the SARS-CoV-2 virus in unexpected ways.

So what do scientists mean when they talk about variants and what might this mean for the future of the pandemic?

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