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Antimicrobial Agents and Chemotherapy, July 1998, p. 1847-1849, Vol. 42, No. 7
Département de Microbiologie
Médicale et Infectiologie, Pavillon St-Luc, Centre Hospitalier de
l'Université de Montréal, Montréal, Québec,
Canada H2X 3J4
Received 7 October 1997/Returned for modification 15 January
1998/Accepted 15 April 1998
The susceptibilities of 59 Campylobacter fetus subsp.
fetus isolates to eight antibiotics were studied by the
agar dilution, E-test, and disk diffusion methods. None of the isolates
were
0066-4804/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Antimicrobial Susceptibility Testing of 59 Strains
of Campylobacter fetus subsp. fetus
-lactamase producers. All were susceptible to ampicillin,
gentamicin, imipenem, and meropenem as determined by the three methods,
with MICs at which 90% of the isolates are inhibited
(MIC90s) (determined by agar dilution) of 2, 1,
0.06, and
0.12 µg/ml, respectively. Twenty-seven percent of the isolates were
resistant to tetracycline, with complete agreement between the agar
dilution and disk diffusion results. The MIC90s determined
by agar dilution were 2 µg/ml for erythromycin, 1 µg/ml for
ciprofloxacin, and 8 µg/ml for cefotaxime.
*
Corresponding author. Mailing address:
Département de Microbiologie Médicale et Infectiologie,
Pavillon St-Luc, CHUM, 1058 rue St-Denis, Montréal, Québec,
Canada, H2X 3J4. Phone: (514) 281-2100. Fax: (514) 281-2443. E-mail:
cgaudro{at}cam.org.
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