[Hospital infection and some aspects of its immunoprophylaxis].

The review deals with the causes and main agents of the hospital infection occurring in surgical units. Special attention is given to the formation of the hospital isolate of the agent. A method of prevention of postoperative infective complications by vaccines prepared of these particular isolated has been proposed.

[Non-specific resistance in people exposed to low doses of ionizing radiation].

Lysosomal cation test was applied to evaluation of nonspecific immune resistance in people exposed to small radiation doses. The surface dose over 5 mSv per year induced preservation or increase of cationic proteins. This state was not stable and later the concentration of cationic proteins tended to decrease.