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[Subtypes of human immunodeficiency virus 1:classification, the origin and circulation in Europe]
1Ivanovsky Research Institute of Virology, Moscow, Russia.
Abstract:
The modern classification of human immunodeficiency viruses of type 1 (HIV-1) is presented. The hypotheses concerning the origin of this virus are discussed. The data on the spread of the subtypes of HIV-1 in different countries of Western and Eastern Europe and in different risk groups are presented.