Homegrown coronavirus variants: What you need to know

CNN published this video item, entitled “Homegrown coronavirus variants: What you need to know” – below is their description.

CNN’s senior medical correspondent Elizabeth Cohen reports on a batch of similar troubling mutations in coronavirus samples circulating in the United States. They’ve not only drawn attention to them; they’ve come up with a better shorthand for referring to them. They’ve named them after birds.

The mutations all affect the same stretch of the spike protein — the knob-like extension on the outside of the virus that it uses to dock onto the cells it infects, the researchers wrote in a pre-print report. It’s not peer reviewed yet, but researchers are rushing such findings online to share them quickly with other experts.

The genetic stretch that is mutated, or changed, is called 677. The various changes are so similar that the researchers think evolution favors these particular variants. And it’s in a troubling place, said Vaughn Cooper, director of the Center for Evolutionary Biology and Medicine at the University of Pittsburgh School of Medicine, who worked on the study.

“This stretch of Spike is important because of its proximity to a region key for virulence,” Cooper told CNN via email.

#ElizabethCohen #CNN #News

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About This Source - CNN

The video item below is a piece of English language content from CNN. CNN is an American news-based pay television channel owned by CNN Worldwide, a unit of the WarnerMedia News & Sports division of AT&T-owned WarnerMedia. CNN was founded in 1980 by American media proprietor Ted Turner as a 24-hour cable news channel.

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