Effect of unfavorable factors on the development of tuberculosis in children

: Analysis of cases of the active forms of tuberculosis in 87 children has established that the first to be affected are children from the unsuccessful families in whom BCG vaccination was either absent or was ineffective. Children from the unsuccessful families aged to 1 year get sick more often. The disease in them runs a more acute course and has manifested clinico-roentgenological symptoms. In half the cases a tuberculosis process acquires a complicated course.