COVID-19 variant R.1 is ‘something really to watch,’ researcher says


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R.1 is not a CDC version of concern or interest

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As the coronavirus continues to spread around the world, researchers are keeping a close eye on the R.1 version in the United States.

The US Centers for Disease Control and Prevention does not recognize the R.1 variant as a variant of concern or interest.


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However, in a post Details of the outbreak at a Kentucky nursing home in March, The agency said that R.1 contains “multiple mutations of importance”, “evidence of increased virus transmittance ability … evidence of reduced neutralization by convalescent and post-vaccination sera” and “reduced effectiveness of neutralizing antibodies”. demonstrate capability.

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The CDC reported, “Although vaccination was associated with a reduction in the likelihood of infection and symptomatic disease, 25.4% of vaccinated residents and 7.1% of vaccinated[health care providers]were infected, raising concerns about potentially reduced protective immunity.” In support of that, the CDC pointed out.” “Furthermore, four potential re-infections were identified, providing some evidence of this type of limited or decreased natural immunity.”

During the Kentucky Nursing Home outbreak, 46 COVID-19 cases were identified, including 26 residents — 18 of whom were fully vaccinated — and 20 health care workers, four of whom were vaccinated.

Attack rates among non-vaccinated residents were three times higher than among vaccinated residents. In non-vaccinated health care workers, the attack rate was 4.1 times higher than in vaccinated health care workers.

Death of three residents of nursing homeTwo of whom were not vaccinated.

an outbreak. information lineage report Shows Maryland as the state with the highest cumulative R.1 prevalence. According to the project, with over 2,200 cases nationwide, the variant has spread to all three states.

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In Georgia, the state’s Department of Public Health reports that the variant has infected fewer than 100 people, According to Atlanta’s 11 Alive.

Station spoke to former Harvard Medical School professor and COVID-19 researcher William Haseltine about concerns over the variant and its ability to reduce protective immunity and overcome vaccine antibodies.

He called the R.1 version “really something to watch” and written in forbes that the version that originated in Japan “contains over 10,000 entries GISAID SARS-CoV-2 Database

“This is the first warning, that there was a virus that spread through a fully vaccinated population,” Hasseltine said.

This tension, he said, “has the ability to move around.”

“It’s mostly doing this by making more of itself once it gets into the body, not just avoiding what happens along the way,” Haseltine said.

“We need to know what is it that can be broken down by our vaccines.”

Even then, As reported by Newsweek, not all types eventually catch on, and vaccination was associated with a lower chance of infection and symptomatic disease in the Kentucky outbreak.

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