UK Health Secretary Matt Hancock. Justin Tallis – WPA Pool/Getty Images
A new coronavirus strain may be fueling new spread in southern England, according to UK Health Secretary Matt Hancock.
“Initial analysis suggests this variant is growing faster than the existing variants,” Hancock said on Monday.
But many scientists are urging calm in the face of this news, since new strains aren’t necessarily more dangerous or contagious than the original.
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A new coronavirus strain may be fueling an uptick in spread across the southern UK, according to Health Secretary Matt Hancock.
“Over the last few days, thanks to our world-class genomic capability in the UK, we have identified a new variant of coronavirus, which may be associated with the faster spread in the South of England,” Hancock said Monday, speaking in the House of Commons.
He added that there’s no evidence to suggest this new strain is more deadly or resistant to vaccines. But it could be more transmissible, he said: “Initial analysis suggests this variant is growing faster than the existing variants.”
Hancock added that at least 60 different local authorities had seen infections from the variant, the World Health Organization had been notified, and UK scientists were doing detailed studies, according to the BBC. He did not publicly provide any further data about the variant, however.
London and large parts of Southern England will be placed into “tier 3,” the strictest level of lockdown, Hancock said, from midnight on Tuesday. Roughly 34 million British people are now under tier 3, in which pubs and restaurants are closed.
“It is incredibly frustrating to have such a statement made without any associated evidence,” Lucy van Dorp, a geneticist studying the coronavirus’ genome, told Business Insider, adding that it’s unlikely that one mutation would play a big role in changing disease severity for a virus.
Mutations don’t necessarily impact a virus’ behavior
An illustration of the new coronavirus. Reuters
Like all viruses, the coronavirus mutates over time. So scientists have been regularly collecting samples of the coronavirus sine the beginning of the pandemic and genetically sequencing them to track how it changes.
“That’s normal. That’s how viruses work,” Emma Hodcroft, a geneticist studying the coronavirus’ genome in Basel Switzerland, previously told Business Insider.
According to Alan McNally, a professor of genomics at the University of Birmingham, testing labs across the UK “picked up” the new variant that Hancock mentioned in the past few weeks.
“It is important to keep a calm and rational perspective on the strain as this is normal virus evolution and we expect new variants to come and go and emerge over time,” he said in a statement to UK’s Science Media Centre. “It’s too early to be worried or not by this new variant, but I am in awe of the surveillance efforts in the UK that allowed this to be picked up so fast.”
Other scientists are urging calm as well.
“There is no evidence that the newly reported variant results in a more severe disease,” Wendy Barclay, head of the Department of Infectious Disease at Imperial College London, said in a Science Media Center statement on Monday.
Hodcroft said most mutations her team has seen are harmless, and the coronavirus is mutating slowly. There is one variant, called 614G, that might be more transmissible than the original virus, she added, but that question is not fully settled. Plus, it’s not yet clear whether this is the same variant Hancock referenced on Monday.
Police officers during a protest against lockdown restrictions outside the Senedd Cymru Welsh Parliament in Cardiff Bay. Getty
Jonathan Ball, a molecular virologist at the University of Nottingham, struck a cautious tone in his own statement to the Science Media Center.
“The genetic information in many viruses can change very rapidly and sometimes these changes can benefit the virus – by allowing it to transmit more efficiently or to escape from vaccines or treatments – but many changes have no effect at all,” he said.
Ball added: “Even though a new genetic variant of the virus has emerged and is spreading in many parts of the UK and across the world, this can happen purely by chance. Therefore, it is important that we study any genetic changes as they occur, to work out if they are affecting how the virus behaves.”
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