Several residents of Omsk and Novosibirsk regions was reported West Nile virus, the source of which were normal mosquitoes.
This was announced at a press conference Director General Research Center of Virology and Biotechnology "Vector" Alexander Sergeyev.
According to him, this year, the infection can take over the entire territory of Siberia. Cases of serious infection, which previously reported only in the south of the European part of Russia, and there are now registered.
According Novosibirsk scientists, the infection can lead to death. West Nile virus was discovered in 1937 in Africa, in the Nile River. People usually become infected through the bite of a mosquito or tick. The virus is able to form pockets of infection in the metropolitan areas and residents of large cities are often the victims of this serious infectious disease.
Employees of "Vector", the first recorded appearance of the West Nile virus in Siberia in 2002 from migratory birds. And in 2004, the first cases of human infection in the Novosibirsk region.
The main route of transmission of the individual — it is a mosquito bite. So most of the diseases recorded in late summer and autumn. The incubation period of the disease is 6-8 days and the disease begins with fever. Clinic disease very similar to the tick-borne encephalitis, and in this form of the disease mortality can reach 10% or more.
Last year, scientists "Vector" received test system "four in one". It can be diagnosed just four types of infections, including West Nile. And if this new problem diagnosis for Siberians disease is almost resolved, the problem of treatment and prevention are still far from being solved. The world has no vaccine for West Nile.