"Yes, the strain sample was sent yesterday from Atlanta...The plane must have arrived," a source in a medical institute involved in the research said.
A spokesman for the Epidemiology Central Research Institute said on Thursday that Russian scientists had developed tests to detect the A/H1N1 virus.
The head of Russia's Flu Research Institute, Oleg Kiselyov, said last week the scientists could create a vaccine to combat swine flu in three months.
The World Health Organization (WHO) said on Friday that there had been 2,371 confirmed A/H1N1 cases in 24 countries, with a death toll of 44.
In Mexico, the number of swine flu cases has been put at 1,112, with 42 dead. Two people have died in the United States, where officials confirmed 952 cases.
No swine flu cases have been reported in Russia.
