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Tuesday, May 24, 2022

What is known about the new Deltakron mixed variant

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There was brief excitement about what Leondios Kostrikis, a professor of biological sciences at the University of Cyprus, and his team discovered in their lab earlier this year: a strain of coronavirus made up of delta and omicron variants. So a cross that could combine two unfavorable properties: quickly contagious and dangerous.

That was the expectation, which was then quickly replaced by a clear all. The samples in the Cypriot laboratory would have been contaminated, you could read “error” and “laboratory errors”.

Virologists such as Christian Drosten had warned that in the future a virus could emerge that, on the one hand, “carries the spike protein of the omicron virus to continue enjoying this immunological advantage, but has the rest of the genome of the delta virus.” That’s exactly what happened.

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The Pasteur Institute in Paris has submitted a genome sequence made up of a delta virus and an omicron to the international Covid GISAID database. The World Health Organization (WHO) has already confirmed the new variant.

WHO expert Maria van Kerkhove, responsible for corona, was not particularly surprised: “We know about this recombinant. It is a combination of Delta AY.4 and Omikron BA.1.” Such a recombinant was to be expected when two corona variants like Delta and Omikron circulate so strongly.

How did Deltakron come about?

it also looks like Jeffrey Barrett, who led the Covid-19 Genome Initiative at the Wellcome Trust Sanger Institute. Recombinant variants are not uncommon, the Brit told The Guardian. “Delta Crown” It would not be the first or the last to happen with Covid. “This happens every time we’re transitioning from one dominant variant to another, and it’s usually a scientific curiosity, but not much more than that.” Recombinant variants arise when people become infected with two variants of coronavirus at the same time. That could have happened around the turn of the year, when Omikron replaced the previously more dominant Delta variant.

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According to the WHO, infections with “Deltakron” are still at a very low level in Europe and consequently the data situation is limited.

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