[The immune response of viral hepatitis patients who use narcotic preparations].

The characteristics of cell-mediated and humoral immunity were studied in 611 patients with different etiological forms of acute virus hepatitides (HB, HC, HB + C, HC + HBsAg). As the result of the systematic abuse of psychoactive preparations, introduced by intravenous injection, in 166 patients (27.2%) drug addiction developed, ehile 445 (72.

[The prevalence of hepatitis B and C markers among narcotic users].

611 patients with acute parenteral virus hepatitis (VH) were studied with a view to find out markers indicating the presence of hepatitis B and hepatitis C virus infection (HB, HC, HB + C, HC + HBsAg). Of these, 166 patients (27.2%) systematically used narcotic drugs intravenously.

[The development of HIV infection in the Far-Eastern region of the Russian Federation].

By May 18, 1998, 108 HIV-infected persons were registered in the Far-Eastern region. In recent years young people using narcotic drugs were involved in the epidemic process. The sources of the infection were mainly migrants arriving to the Far East from the Ukraine.

[The prevalence of etiological forms of viral hepatitis in Khabarovsk].

For the first time the etiological structure of viral hepatitis in the Far East, in Khabarovsk, has been studied. The leading etiological form of viral hepatitis is hepatitis A. The spread of hepatitis B and nondifferentiated hepatitis is less than that of hepatitis A.