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Volume 19, Number 7—July 2013

Dispatch

Multidrug-Resistant Atypical Variants of Shigella flexneri in China

Shaofu Qiu1, Yong Wang1, Xuebin Xu1, Peng Li1, Rongzhang Hao1, Chaojie Yang1, Nan Liu1, Zhenjun Li1, Zhongqiang Wang1, Jian Wang1, Zhihao Wu1, Wenli Su1, Guang Yang1, Huiming Jin1, Ligui Wang1, Yansong Sun, Zhengan Yuan, Liuyu Huang, and Hongbin SongComments to Author 
Author affiliations: Academy of Military Medical Sciences, Beijing, China (S. Qiu, Y. Wang, P. Li, R. Hao, C. Yang, N. Liu, Z. Wang, J. Wang, Z. Wu, W. Su, G. Yang, L. Wang, Y. Sun, L. Huang, H. Song); Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China (X. Xu, H. Jin, Z. Yuan); Chinese Center for Disease Control and Prevention, Beijing (Z. Li)

Main Article

Table 2

Antimicrobial drug resistance profiles of variant serotypes of Shigella flexneri isolates recovered from patients with diarrhea, China, May 2008–December 2010*

Antimicrobial drug % Resistant isolates
X variant (−:7,8, E1037), indole-negative variety, n = 73
Serotype 2 variant (II:3,4,7,8), n = 17
Untypeable variant (−:E1037), n = 2
R I S R I S R I S
Ampicillin 100.0 0 0 100.0 0 0 100.0 0 0
Ampicillin/sulbactam 100.0 0 0 100.0 0 0 100.0 0 0
Chloramphenicol 100.0 0 0 100.0 0 0 100.0 0 0
Nalidixic acid 100.0 0 0 100.0 0 0 100.0 0 0
Tetracycline 100.0 0 0 100.0 0 0 100.0 0 0
Amoxicillin/clavulanic acid 91.8 5.5 2.7 88.2 0 11.8 100.0 0 0
Trimethoprim/sulfa 90.4 0 9.6 58.8 0 41.2 100.0 0 0
Norfloxacin 82.2 16.4 1.4 29.4 0 70.6 100.0 0 0
Ciprofloxacin 39.7 49.3 11.0 29.4 0 70.6 100.0 0 0
Levofloxacin 21.9 26.0 52.1 17.6 11.8 70.6 0 50.0 50.0
Cefotaxime 13.7 13.7 72.6 17.6 5.9 76.5 0 0 100.0
Gentamicin 6.8 0 93.2 5.9 0 94.1 0 0 100.0
Ceftazidime 5.5 2.7 91.8 0 0 100.0 0 0 100.0
Imipenem 2.7 0 97.3 0 0 100.0 0 0 100.0

*R, resistant; I, intermediate; S, susceptible.

Main Article

1These authors contributed equally to this article.

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