COVID-19 in Russia: Officials announce BA.4 subvariant cases

Cases of the BA.4 coronavirus subvariant were confirmed in Russia on Sunday, Kamil Khafizov, a scientist at the Central Research Institute of Epidemiology in Moscow, told reporters, according to Russian state media reports. 

According to the reports, Khafizov attributed 95% of all new infections to the BA.2 subvariant, adding though that the BA.4 and BA.5 subvariants are more easily transmissible. 

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