What do we know about SARS-CoV-2 variants?
Variants have increasingly become one of the biggest concerns of the COVID-19 pandemic.
Each variant is made up of a collection of mutations. The majority of mutations don’t change how the virus behaves. However, rarely, mutations can change the properties of the virus and potentially give rise to a new Variant of Concern.
So what do we know to date about variants, and what impact could they have on the future of the pandemic?
Watch this explainer video from Nature to learn more.