@article {1344, title = {Increasing drug resistance in extensively drug-resistant tuberculosis, South Africa.}, journal = {Emerging infectious diseases}, volume = {17}, year = {2011}, month = {2011 Mar}, pages = {510-3}, abstract = {We expanded second-line tuberculosis (TB) drug susceptibility testing for extensively drug-resistant Mycobacterium tuberculosis isolates from South Africa. Of 19 patients with extensively drug-resistant TB identified during February 2008-April 2009, 13 (68\%) had isolates resistant to all 8 drugs tested. This resistance leaves no effective treatment with available drugs in South Africa.}, keywords = {Adult, Antitubercular Agents, Drug Resistance, Multiple, Bacterial, Extensively Drug-Resistant Tuberculosis, Female, Humans, Male, Microbial Sensitivity Tests, Middle Aged, Mycobacterium tuberculosis, South Africa, Tuberculosis, Multidrug-Resistant, Young Adult}, issn = {1080-6059}, doi = {10.3109/00952990.2011.568081}, author = {Shah, N Sarita and Richardson, Jessica and Moodley, Prashini and Moodley, Salona and Babaria, Palav and Ramtahal, Melissa and Heysell, Scott K and Li, Xuan and Moll, Anthony P and Friedland, Gerald and Sturm, A Willem and Gandhi, Neel R} }