More than 60 persons from various regions of Russian Federation, including M.N. Mikhailov, the director of Poliomyelitis Institute; principals of laboratory units of medical institutions of Moscow, St.-Petersburg, etc. took part in the seminar. Head physician of SAHI «DPRC of AIDS and ID of TR HM» N.I.Galiullin has presented the report «Pressing questions of HIV-infection in ТR».