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More Contagious Subvariant Of Omicron BA.4 Detected, Says Russian Health Watchdog Rospotrebnadzor

The samples date back to May, the Russian scientist said. (Representational)

Moscow:

A more contagious subvariant of the COVID-19 Omicron strain has slipped into Russia, a senior official at the national consumer health watchdog Rospotrebnadzor said.

Kamil Khafizov, the head of genome research at Rospotrebnadzor’s Central Research Institute for Epidemiology, told reporters that two national labs had submitted the viral genome of the BA.4 sublineage to the VGARus database.

“Samples date back to late May,” Khafizov said.

The scientist added that the BA.2 subtype still accounted for 95% of all new cases in Russia.

“A number of studies published recently have revealed that variants, known as BA.4 and BA.5, are a little bit more transmissible that the early forms of Omicron,” he said.

The head of the World Health Organization warned in May that Omicron sublineages BA.4 and BA.5 were driving a surge of the disease in unvaccinated countries, although the BA.2 subvariant remains dominant across the world.

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)


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