Frequency of extensively drug-resistant tuberculosis in Pakistan increased from 1.5% in 2006 to 4.5% in 2009 (p<0.01). To understand the epidemiology, we genotyped selected strains by using spoligotyping, mycobacterial interspersed repetitive units-variable number of tandem repeats, and IS6110 restriction fragment length polymorphism analysis.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3294979 | PMC |
| http://dx.doi.org/10.3201/eid1609.100280 | DOI Listing |
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