Novel coronavirus BA.4 subline detected in Russia

By trend

The BA.4 subline of the omicron variant of SARS-CoV-2 has been detected in Russia, scientist Kamil Khafizov told reporters on Sunday, Trend reports quoting TASS.

“The genome of the BA.4 lineage of the SARS-CoV-2 virus has been deposited in the VGARus database, developed by the Central Scientific Research Institute of Epidemiology in Rospotrebnadzor,” said Khafizov, who heads the research laboratory. on the institute’s genome. “One sample was deposited by the Smorodintsev Influenza Research Institute, and another – by the Rospotrebnadzor Central Scientific Research Institute of Epidemiology.”

According to Khafizov, these samples were taken at the end of May.

“Right now, the BA.2 variant and its subvariants are dominant in Russia, accounting for around 95% of all new cases,” he said.

According to the expert, good herd immunity, acquired through vaccination and previous waves of the new coronavirus, currently prevents the spread of new omicron subvariants in Russia. “However, a number of recently published research shows that the BA.4 and BA.5 sublines of the omicron are slightly more transmissive than earlier versions of the omicron,” the scientist added.

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Irene B. Bowles