[Immunological approach to the evaluation of the activity of the tuberculous process].

The aim of the study was to determine the immunological criteria of the activity of the lung tuberculosis. Some immunological tests based on cellular and humoral immunity were assessed in 3 groups: I--patients with active, bacteriologically confirmed tuberculosis, II--individuals with inactive minimal changes in the lung, III--healthy subjects. We found that among patients with active tuberculosis cellular immunity was depressed: both percentage of T-lymphocytes and their function, usually associated with cutaneous anergy to tuberculin. But the humoral immunity was enhanced. The authors have shown that the people with inactive minimal changes in the lung take place between the patients with active tuberculosis and healthy subjects.