[The diagnosis of hepatitis C viral infection in blood donors and patients].

The data on the examination of 5139 serum samples, obtained from 3358 blood donors and 1781 somatic patients, for the presence of HCV, HBV and HDV markers. Antibodies (Ab) to HCV were detected, on the average, in 1.56% of the examined blood donors (207 persons).

[Immunoprevention of staphylococcal infections at an industrial enterprise].

The immunogenicity, immunological and epidemiological effectiveness of the subcutaneous, enteral and combined immunizations of the workers at a steel plant with staphylococcal toxoid has been studied. The subcutaneous injection of the adsorbed toxoid in a dose of 0.2 ml by means of the jet injector, model, was accompanied by moderate reactogenicity (the frequency of local reactions was 26.

[Effect of delayed hypersensitivity on the development of an intradermal focus of a staphylococcal infection].

Delayed hypersensitivity (DH) was induced in rabbits by introducing killed St. aureus culture in incomplete Freund's adjuvant. 7 days later the animals were infected intradermally with alpha-toxigenic and leukocidin-active St.

[Efficacy of the per os immunization and reimmunization of man with staphylococcal anatoxin].

By double immunization of 72 persons and single reimmunization of 38 persons per os with tablets containing 100 BU of purified concentrated staphylococcus toxoid (PCST) it was revealed that this immunization was harmless and the immunological response was adequate. The tablets were intended for application through the oral mucosa (oral) or the intestinal tract (enteral); the immunological response depended on the dose of the preparation and the scheme of administration. A high sensitization of healthy persons examined to staphylococcus was found.