Officials are quoted as saying the more recent fire broke out overnight at a psycho-neurological clinic near the town of Taiga in the Kemerovo region.
Authorities said arson is being investigated as a possible cause.
More than 220 people were reported inside the building when the fire broke out.
At least 45 women died in a fire at a drug-rehabilitation center in Moscow early on December 9 in a suspected arson attack.
Russia's Battle Against Corruption
Citizens of Russia's Urals region protest against alleged corruption in connection with a proposed smelting plant on Lake Shartash (TASS)
'A NATIONAL THREAT': Russian President Vladimir Putin highlighted the crippling problem of corruption during his annual address to the Federal Assembly in May. He emphasized the damaging impact of corruption on the country's economy and pledged to rid Russia once and for all of a "serious obstacle" ...(more)