Two new cases of infection with strain AY.4.2 were detected in Tatarstan. Scientists in Britain have warned that
it could be up to 15% more contagious than Delta. Two new cases of infection with the AY.4.2
coronavirus strain, a mutation of the delta strain, have been identified in
Russia, Rospotrebnadzor reported. New infected were found in Tatarstan. Prior to this, the
head of the department, Ann...