Russia registered 22,660 new coronavirus cases over the past 24 hours as the Delta variant continues to spread, taking the nationwide tally to 6,402,564, the official monitoring and response centre said on Friday.

The nationwide death toll grew by 792 to 163,301, while the number of recoveries increased by 20,141 to 5,720,353, Xinhua news agency reported.

Moscow, Russia's worst-hit region, reported 2,583 new cases, taking its total to 1,522,204.

Russia has administered Covid-19 vaccines to 38.9 million people, about 27 per cent of its population, Health Minister Mikhail Murashko said on Thursday.

--IANS int/pgh