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Volume 15, Number 7—July 2009

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Methicillin-Resistant Staphylococcus aureus ST398 in Swine Farm Personnel, Belgium

Olivier DenisComments to Author , Carl Suetens1, Marie Hallin, Boudewijn Catry, Ilse Ramboer, Marc Dispas, Glenda Willems, Bart Gordts, Patrick Butaye, and Marc J. Struelens
Author affiliations: Université Libre de Bruxelles Hôpital Erasme, Brussels, Belgium (O. Denis, M. Hallin, M.J. Struelens); Scientific Institute of Public Health, Brussels (C. Suetens, B. Catry, I. Ramboer); Veterinary and Agrochemical Research Centre, Brussels (M. Dispas, G. Willems, P. Butaye); AZ Sint-Jan, Brugge, Belgium (B. Gordts); 1Current affiliation: European Centre for Disease Prevention and Control, Stockholm, Sweden.

Main Article

Table 2

Characteristics of 48 methicillin-resistant Staphylococcus aureus sequence type 398 isolates from persons on 49 pig farms, Belgium, 2007*

spa type spa repeats SCCmec type No. isolates No. farms Methylase genes
Tetracycline resistance genes
Resistance phenotype
(>50% isolates)
AME genes
aac(6′)–aph(2′′) ant(4′) aph(3′)
ermA ermC tetK tetM
t011 08–16–02–25–34–24–25 IV 26 14 25 10 0 0 19 5 26 GEN, TOB, ERY, CLI, TET, SXT


V
19
10
0
0
0

1
3

16
19
CIP, CLI, TET, SXT
t034 08–16–02–25–02–25–34–24–25 V 1 1 0 0 0 0 0 1 1 CIP, CLI, TET, SXT


NT
1
1
0
1
0

0
0

1
1
TOB, TET
t567 08–02–25–24–25 NT 1 1 0 0 0 0 1 0 1 ERY, CLI, TET

*SCC, staphylococcal cassette chromosome; AME, aminoglycoside modifying enzyme; GEN, gentamicin; TOB, tobramycin; ERY, erythromycin; CLI, clindamycin; TET, tetracycline; SXT, cotrimoxazole; CIP, ciprofloxacin; NT, not typeable. All isolates were agr group 1.

Main Article

1Current affiliation: European Centre for Disease Prevention and Control, Stockholm, Sweden.

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