Molecular assessment, drug-resistant profile, and spacer oligonucleotide typing (spoligotyping) of Mycobacterium tuberculosis strains from Tamaulipas, México.

Background: Tuberculosis remains a serious global health problem involving one-third of the world population. A wide diversity of Mycobacterium tuberculosis strains cause about 1.5 million deaths/year worldwide, but in developing countries, the genetic diversity of M.