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More-contagious UK coronavirus mutation appears in United States

The variant is said to be more transmissible, though there's no evidence it's deadlier or makes people sicker.

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Edward Moyer Senior Editor
Edward Moyer is a senior editor at CNET and a many-year veteran of the writing and editing world. He enjoys taking sentences apart and putting them back together. He also likes making them from scratch. ¶ For nearly a quarter of a century, he's edited and written stories about various aspects of the technology world, from the US National Security Agency's controversial spying techniques to historic NASA space missions to 3D-printed works of fine art. Before that, he wrote about movies, musicians, artists and subcultures.
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  • Ed was a member of the CNET crew that won a National Magazine Award from the American Society of Magazine Editors for general excellence online. He's also edited pieces that've nabbed prizes from the Society of Professional Journalists and others.
Edward Moyer
2 min read
A "Stay Home" sign in London the day after Christmas.

A "Stay Home" sign in London the day after Christmas.

Dinendra Haria/Getty Images

The new coronavirus variant discovered in Britain and said to be more contagious has shown up in the US.

"Today we discovered Colorado's first case of the COVID-19 variant B.1.1.7, the same variant discovered in the UK," Colorado Gov. Jared Polis tweeted on Tuesday. A statement included with the tweet said the patient is a man in his 20s with no travel history. Public health officials are conducting contact tracing interviews to spot other potential cases, the statement said, adding that no close contacts with the patient have been discovered thus far.

The coronavirus variant prompted Britain to go into a strict lockdown during the Christmas break, and various countries, including the US, have put stronger entry requirements in place for travelers arriving from the UK. The variant has also appeared in other countries, including Australia, Canada, France, Spain and Japan.

There's no evidence that the variant is any deadlier than previously known strains of the coronavirus, or that it makes people any sicker or is resistant to the vaccines that've been developed. But a study released last week by a team of UK scientists estimated that it's 56% more contagious, The New York Times reported. The British government had earlier said the variant might be up to 70% more transmissible.

Much remains to be discovered about the variant.

"I think we have to keep an eye on it, and we have to take it seriously," Anthony Fauci, director of the US National Institute of Allergy and Infectious Diseases, told The Washington Post on Tuesday. "We obviously take any kind of mutation that might have a functional significance seriously. But I don't think we know enough about it to make any definitive statements, except to follow it carefully and study it carefully."

Read more: Why you shouldn't panic about the UK's mutant coronavirus strain

The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.