Abstract
NDM-1–producing Strains, Family<i>Enterobacteriaceae,</i>in Hospital, Beijing, China
Highlights
Address for correspondence: Martin Beer, Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Search past issues of EID at wwwnc.cdc.gov/eid
To clarify the prevalence of blaNDM-1 in Enterobacteriaceae strains, we carried out retrospective surveillance for blaNDM-1 among carbapenem-resistant enterobacterial strains isolated from patients at the Chinese PLA General Hospital in Beijing
S1 nuclease pulsed-field gel electrophoresis and Southern blot analysis were used to identify the sizes of blaNDM-1-carrying plasmids
Summary
To the Editor: The prevalence of New Delhi metallo-β-lactamase-1 (NDM-1)–producing strains (family Enterobacteriaceae) in China remains unclear. To clarify the prevalence of blaNDM-1 in Enterobacteriaceae strains, we carried out retrospective surveillance for blaNDM-1 among carbapenem-resistant enterobacterial strains isolated from patients at the Chinese PLA General Hospital in Beijing. Five blaNDM-1-positive enterobacterial isolates of the following species were identified: E. coli (1 isolate in October2010), K. pneumoniae (1 isolate in August 2012), Providencia rettgeri (1 isolate in October 2012), Enterobacter cloacae (1 isolate in November 2012), and Raoultella ornithinolytica (1 isolate in March 2013).
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