What is the Nu variant?

A new Covid variant dubbed 'Nu' has been discovered in South Africa and the UK has already put travel restrictions in place. Though early tests have shown that Nu is more transmissible, we don't know conclusively if it is any more deadly or can evade vaccines. 

'We don't know yet, whether this variant is more severe or not.' - James Forsyth 

With people already worrying if this, if handled poorly, could lead to another Christmas lockdown, Isabel Hardman talks with Fraser Nelson and James Forsyth about their Nu perspectives. 

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