[Clinical application of VNTR-typing of Mycobacteria tuberculosis strains: monitoring of treatment quality and of laboratory service].

An early diagnosis of super-infection and mixed infection of Mycobacteria tuberculosis is highly important for the correction of an assigned treatment and for a positive prognostication. An analysis of loci with varying tandem repeats (VNTR) is a simple in use and reproducible method of M. tuberculosis genotyping.