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Volume 18, Number 3—March 2012

Letter

NDM-1–producing Klebsiella pneumoniae, Croatia

Annarita MazzariolComments to Author , Zrinka Bošnjak, Piero Ballarini, Ana Budimir, Branka Bedenić, Smilja Kalenić, and Giuseppe Cornaglia
Author affiliations: University of Verona, Verona, Italy (A. Mazzariol, P. Ballarini, G. Cornaglia); University of Zagreb, Zagreb, Croatia (Z. Bošnjak, A. Budimir, B. Bedenić, S. Kalenić)

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Table

MIC of the KLZA strain of Klebsiella pneumoniae and its transconjugant and recipient

Antimicrobial drug MIC, mg/L
K. pneumoniae KLZA Escherichia coli J53 E. coli T1
Imipenem 8 <0.06 4
Meropenem 8 <0.06 4
Ertapenem 16 <0.06 8
Ceftazidime >128 <0.06 128
Cefotaxime >128 <0.06 32
Cefepime 32 <0.06 64
Aztreonam >128 0.25 >128
Ciprofloxacin 0.5 <0.06 0.12
Gentamicin 8 0.25 0.25
Amikacin 16 0.5 0.5
Tigecycline 1 0.25 0.25
Colistin <0.5 <0.5 <0.5

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