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Antimicrobial Agents and Chemotherapy, January 1999, p. 194-195, Vol. 43, No. 1
0066-4804/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

In Vitro Activities of Six New Fluoroquinolones against Brucella melitensis

Ignacio Trujillano-Martín,1 Enrique García-Sánchez,1 Isaías Montes Martínez,2 María José Fresnadillo,1 José Elías García-Sánchez,1 and José Ángel García-Rodríguez1,*

Departamento de Microbiología y Parasitología, Hospital Universitario, Salamanca,1 and Unidad de Microbiología, Hospital Virgen del Puerto, Plasencia, Cáceres,2 Spain

Received 24 June 1998/Returned for modification 13 August 1998/Accepted 23 October 1998

We have tested the in vitro activities of eight fluoroquinolones against 160 Brucella melitensis strains. The most active was sitafloxacin (MIC at which 90% of the isolates are inhibited [MIC90], 0.12 µg/ml). In decreasing order, the activities (MIC90s) of the rest of the tested fluoroquinolones were as follows: levofloxacin, 0.5 µg/ml; ciprofloxacin, trovafloxacin, and moxifloxacin, 1 µg/ml; and ofloxacin, grepafloxacin, and gatifloxacin, 2 µg/ml.


* Corresponding author. Mailing address: Department of Microbiology, Hospital Universitario, Paseo de San Vicente 108, 37007 Salamanca, Spain. Phone: 34-23-264825. Fax: 34-23-262261. E-mail: jagarrod{at}gugu.usal.es.


Antimicrobial Agents and Chemotherapy, January 1999, p. 194-195, Vol. 43, No. 1
0066-4804/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.



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