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The U.Okay. has identified a new Covid-19 strain that spreads more shortly. Here’s what they know


England’s prime medical officer on Saturday introduced that the U.Okay. has identified a new variant of the coronavirus that “can spread more quickly” than prior strains of the virus, main Prime Minister Boris Johnson to impose recent restrictions on components of the nation to regulate its unfold.

“We’re learning about it as we go, but we already know enough, more than enough, to be sure that we must act now,” Johnson mentioned throughout a press briefing on Saturday the place he laid out recent restrictions on London and different components of England forward of the Christmas vacation.

“When the virus changes its method of attack, we must change our method of defense,” Johnson mentioned.

The U.Okay. authorities introduced the new coronavirus strain on Monday following a rise in circumstances within the southern and jap components of England. Just over 1,100 Covid-19 circumstances with the new variant had been identified as of Sunday, in keeping with a assertion from Public Health England.

Now, it is thought that the new strain may very well be as much as 70% more transmissible than the unique strain of the illness, Johnson mentioned on Saturday, including that it seems to be driving the speedy unfold of infections. Johnson referred to as on residents to chorus from touring and “stay local” to stop the new strain from transferring across the nation and overseas.

The United Kingdom is reporting roughly 24,061 new Covid-19 circumstances every single day, based mostly on a weekly common, which is a more than 40% enhance in contrast with a week in the past, in keeping with a CNBC evaluation of knowledge compiled by Johns Hopkins University.

“This is early data, and it’s subject to review, but it’s the best that we have at the moment and we have to act on information as we have it because this is now spreading very fast,” Johnson mentioned.

Professor Chris Whitty, England’s chief medical officer, mentioned on the press briefing that “viruses mutate all the time.” Seasonal influenza mutates yearly, and there have already been different new variants of the coronavirus identified in international locations like Spain, in keeping with Public Health England.

What must be answered is whether or not the new strain transmits more simply, makes individuals sicker and whether or not it adjustments the best way somebody’s immune system responds to the virus if they had been already contaminated or vaccinated, Whitty mentioned.

So far, a assortment of proof from genetic, frequency and laboratory research suggests the new strain “has a significant, substantial increase in transmissibility,” Whitty mentioned. However, there’s no proof up to now to recommend that the new strain causes a larger dying fee.

Health officers imagine the new variant first appeared in mid-September in London or Kent, and by the center of November it is thought to have brought on roughly 28% of circumstances in London and different components of southeast England, Whitty mentioned.

Now these figures are a lot larger, he mentioned. In London, knowledge over the previous week suggests the new variant has accounted for more than 60% of new circumstances, Whitty mentioned.

“So what this tells us is that this new variant not only moves fast, it is increased in its ability to transmit, but it’s becoming the dominant variant. It is beating all the others in terms of transmission,” he mentioned.

Yet there’s “no evidence” it causes a more extreme illness, more hospitalizations or “more trouble than the other virus,” Whitty mentioned. While there are causes to suspect the new variant would possibly alter somebody’s immune response to the illness, there’s nothing to point that’s the case up to now, he mentioned.

“Our working assumption at the moment, from all of the scientists, is that the vaccine response should be adequate for this virus,” he mentioned. “That obviously needs to be looked at going forward, and we need to keep vigilant about this.”

The U.Okay. has alerted the World Health Organization and can proceed to research knowledge on the new strain.



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