Tag Archives: XE

Omicron XE is spreading in the UK – a virologist explains what we know about this hybrid variant

Andrii Vodolazhskyi/Shutterstock Grace C Roberts, University of Leeds As the COVID pandemic has progressed, we’ve repeatedly seen the arrival of new viral variants. Variants of concern, such as delta and omicron, are versions of SARS-CoV-2 (the virus that causes COVID-19) which have acquired mutations. These mutations can provide SARS-CoV-2 with a genetic advantage – so for example, delta is linked …

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