Department of Microbiology and Immunology;
Bangabandhu Sheikh Mujib Medical University (BSMMU);
Dhaka;
Bangladesh;
National Tuberculosis Reference Laboratory (NTRL);
National Institute of Diseases of the Chest and Hospital (NIDCH);
Dhaka;
Bangladesh;
Multidrug; Resistant-Tuberculosis; (MDR-TB); gyrA; Gene; Mutations; Fluoroquinolones; (FLQs); Cross-Resistance;