[Influence of environmental factors on the epidemiology of tuberculosis in the Astrakhan region].
The epidemiology of tuberculosis in the Astrakhan Region depends on many causes among which environmental factors do not take last places; a significant positive correlation with which was observed in 41.5 and 52% cases in the rural areas of the Astrakhan Region and in Astrakhan, respectively. The proportion of environmental factors among the causes in noticeably higher in destructive pulmonary tuberculosis, in chronic destructive forms in particular, and in first detected bacillary patients.