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Antimicrobial Agents and Chemotherapy, September 2007, p. 3420-3424, Vol. 51, No. 9
0066-4804/07/$08.00+0 doi:10.1128/AAC.00100-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.
In Vitro Activity of Telavancin against Gram-Positive Clinical Isolates Recently Obtained in Europe
W. T. M. Jansen,*
A. Verel,
J. Verhoef, and
D. Milatovic
University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
Received 24 January 2007/
Returned for modification 1 March 2007/
Accepted 18 June 2007
The in vitro activity of telavancin was tested against 620 gram-positive isolates. For staphylococci, MICs at which 50 and 90% of isolates were inhibited (MIC50 and MIC90) were both 0.25 µg/ml, irrespective of methicillin resistance. MIC50 and MIC90 were 0.25 and 0.5 µg/ml for vancomycin-susceptible enterococci and 1 and 2 µg/ml for vancomycin-resistant enterococci, respectively. Streptococcus pneumoniae, group A and B beta-hemolytic streptococci, and viridans streptococci were inhibited by
0.12 µg/ml.
* Corresponding author. Mailing address: University Medical Center Utrecht, Eijkman Winkler Institute for Medical Microbiology, Infectious Diseases and Inflammation, G 04.614, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands. Phone: 31-30-2503566. Fax: 31-30-2541770. E-mail:
W.T.M.Jansen{at}umcutrecht.nl
Published ahead of print on 2 July 2007.
Antimicrobial Agents and Chemotherapy, September 2007, p. 3420-3424, Vol. 51, No. 9
0066-4804/07/$08.00+0 doi:10.1128/AAC.00100-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.
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