Resistance to streptomycin, sulfathiazole, ampicillin or tetracycline was most common; no resistance to kanamycin, neomycin, colistin or chloramphenicol was observed. The three resistant strains ...
For 2007, the WHO estimated 511,000 cases of multidrug-resistant (MDR)-TB, representing approximately 5% of all TB cases worldwide. Extensively drug-resistant (XDR-TB) strains have been detected ...