[Immunotherapeutic efficacy of BCG vaccine in pulmonary tuberculosis and its preventive effect on multidrug-resistant tuberculosis].

Objective: To evaluate the effect and safety of BCG vaccine on initially treated pulmonary tuberculosis and its controlling effect on multidrug-resistant tuberculosis.

Methods: All 360 volunteers with initially treated pulmonary tuberculosis of positive smear and culture were divided into immunotherapy group (180 cases, also BCG group) and control group (180 cases) at random pair. The patients in BCG group were treated with chemotherapy of a regimen of 2HRZ/2HR and immunotherapy with BCG for 4 months,and the first BCG vaccine was given a month after chemotherapy.