Risk factors of the development of destructive forms of pulmonary tuberculosis in children

Data are presented on the follow-up of 120 children between the ages of 3 months and 14 years with different forms of destructive pulmonary tuberculosis. The factors responsible for the origination of destructive tuberculosis include the absence or improper conduction of BCG vaccination, contact with patients sick with active pulmonary tuberculosis at the moment of detection or primary contamination, the absence of systematic and high-quality tuberculosis diagnosis; childhood infectious diseases, pneumonias, bronchitis, untimely diagnosed poorly and well manifested forms of intrathoracic tuberculosis in children of the risk groups.