[Resistance of Mycobacterium tuberculosis strains isolated from patients to antituberculosis drugs].

Patients from focuses of tuberculosis infection in the Lviv Region for 1996-1999 were subjected to bacteriological examination. It has been established that the disseminated form occupies the first place in general structure among patients with bacterial excretions. The increase in the number of strains of tuberculosis mycobacteria resistant to the basic antituberculosis drugs and their polyresistance, especially, in patients living in towns has been revealed.