Laboratory-based surveillance of extensively drug-resistant tuberculosis, China

Yunfeng Deng, Yan Wang, Junling Wang, Hui Jing, Chunbao Yu, Haiying Wang, Zhimin Liu, Edward A. Graviss, Xin Ma

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


To estimate the prevalence of extensively drug-resistant tuberculosis (XDR TB) in China, we retrospectively analyzed drug-resistance profi les of 989 clinical Mycobacterium tuberculosis isolates. We found 319 (32.3%) isolates resistant to >1 fi rst-line drugs; 107 (10.8%) isolates were multidrug resistant, of which 20 (18.7%) were XDR. XDR TB is of major concern in China.

Original languageEnglish (US)
Pages (from-to)495-497
Number of pages3
JournalEmerging Infectious Diseases
Issue number3
StatePublished - Mar 2011

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases


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