After Omicron, IHU, a new strain of Coronavirus found in France

VIRAL NEWS-    Scientists in France have identified a new strain of coronavirus ‘IHU’ which have more mutations than the Omicron variant. The emergence of the new variant, which probably originated in Cameroon, as per the study, harbours both substitutions N501Y and E484K in the spike protein. At least 12 cases of the new variant have been reported near Marseilles, and has been linked to travel to the African country Cameroon.

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“The mutation set and phylogenetic position of the genomes obtained here indicate based on our previous definition a new variant we named IHU,” the authors of the study said.

“These data are another example of the unpredictability of the emergence of SARS-CoV-2 variants, and of their introduction in a given geographical area from abroad,” they added.

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The B.1.640.2 has not been spotted in other countries or labelled a variant under investigation by the World Health Organization (WHO).

According to a paper posted on medRxiv, the genomes were obtained by next-generation sequencing with Oxford Nanopore Technologies on GridION instruments.

“Fourteen amino acid substitutions, including N501Y and E484K, and 9 deletions are located in the spike protein. This genotype pattern led to create a new Pangolin lineage named B.1.640.2, which is a phylogenetic sister group to the old B.1.640 lineage renamed B.1.640.1,” the research paper said.

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Epidemiologist Eric Feigl-Ding posted a long Twitter thread in which he said that new variants keep emerging but it does not necessarily mean they will be more dangerous. “What makes a variant more well-known and dangerous is its ability to multiply because of the number of mutations it has in relation to the original virus,” he said.

“This is when it becomes a “variant of concern” – like Omicron, which is more contagious and more past immunity evasive. It remains to be seen in which category this new variant will fall,” the doctor further said.

The Omicron variant was detected in a sample taken from South Africa on November 24 last year. Since then, it has spread to more than 100 countries. In India, it has infected nearly 1,900 people.