MOSCOW, May 6. /TASS/. Russian producers have rolled out over 31.9 million sets of coronavirus vaccine doses, Deputy Prime Minister Tatyana Golikova said during a video conference with President Vladimir Putin of Russia on Thursday.

"As of today, all our producers have rolled out 31.9 million sets of vaccine doses," the high-ranking official said.

The Sputnik V jab developed by the Russian Health Ministry’s Gamaleya Center is the leader among domestic vaccines, she noted.

"EpiVacCorona developed by the Novosibirsk-based Vector Center is in second place, while the Chumakov Center’s CoviVac ranks third," the deputy PM added.