Study: Faster-spreading Covid strain affects young the most
Bloomberg 2hrs ago

(Bloomberg) -- The new coronavirus variant that emerged in the U.K. is more transmissible and appears to affect a higher proportion of people under 20, according to a report from Imperial College London and other science groups.

LONDON, ENGLAND - OCTOBER 29: A woman walks past a sign at the University College Hospital in central London on October 29, 2020. The coronavirus pandemic has reached a âcritical stage❠in England with 96,000 new infections in a single day and infections doubling every nine days, according to the Imperial College London (ICL) on Thursday. Health Secretary Matt Hancock announced that 16 more areas in England will move into Tier 2 restrictions, the second highest level, beginning Saturday. (Photo by Kate Green/Anadolu Agency via Getty Images) © 2020 Anadolu Agency LONDON, ENGLAND - OCTOBER 29: A woman walks past a sign at the University College Hospital in central London on October 29, 2020. The coronavirus pandemic has reached a âcritical stage❠in England with 96,000 new infections in a single day and infections doubling every nine days, according to the Imperial College London (ICL) on Thursday. Health Secretary Matt Hancock announced that 16 more areas in England will move into Tier 2 restrictions, the second highest level, beginning Saturday. (Photo by Kate Green/Anadolu Agency via Getty Images)

The mutation of concern has “a substantial transmission advantage” and is linked to “epidemic growth in nearly all areas,” the scientists wrote. It can raise the virus’s reproduction rate, which indicates how many people one patient infects, by as much as 0.7, the researchers found.

“This will make control more difficult and further accentuates the urgency of rolling out vaccination as quickly as possible,” said Neil Ferguson, a professor at Imperial who has worked on modeling the outbreak.

Social distancing measures that worked against earlier strains of the virus were insufficient to control the spread of the new variant, the study found. The government had previously said the new strain was as much as 70% more transmissible than other versions, without providing documentation.


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The researchers used statistical tools to evaluate the link between transmission and frequency of the new variant across the U.K. The data have informed the government’s pandemic planning in recent weeks, Ferguson said.

It’s possible the new variant appears to infect the young the most because the research was conducted at a time when there were lockdowns but schools remained opened, the scientists said.

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