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MOSCOW, April 2 (Xinhua) -- Russia has tallied 3,548 cases of COVID-19 in 76 regions as of Thursday, surging by a record of 771 from the previous day, official data showed.

The death toll rose to 30 after six more patients died of the disease, Russia's coronavirus response center said in a statement.

So far, 325 people have recovered, including 45 in the last 24 hours, it said.

Moscow, the worst hit part of the country, confirmed 595 new cases in the last 24 hours, totaling 2,475.

To contain the spread of the coronavirus, President Vladimir Putin declared a week of paid leave for all citizens beginning on Monday.

All but six of Russia's 85 regions have introduced mandatory self-isolation for all residents by Thursday morning, Russian media reported.

As of Wednesday, 215,514 people remained under medical observation, according to official data.