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Volume 13, Number 4—April 2007
Dispatch

Antimicrobial Drug Resistance of Salmonella Isolates from Meat and Humans, Denmark

Marianne N. Skov*, Jens Strodl Andersen†, Søren Aabo†, Steen Ethelberg‡, Frank M. Aarestrup†Comments to Author , Anders Hay Sørensen†, Gitte Sørensen†, Karl Pedersen†, Steen Nordentoft†, Katharina E.P. Olsen‡, Peter Gerner-Smidt‡, and Dorte L. Baggesen†
Author affiliations: *University of Southern Denmark, Odense, Denmark; †Danish Institute for Food and Veterinary Research, Copenhagen, Denmark; ‡Statens Serum Institut, Copenhagen, Denmark;

Main Article

Table 1

Number and proportion of susceptible (S), resistant (R), multidrug-resistant (M), and nalidixic acid–resistant (Nal) Salmonella spp. isolates within different serotypes isolated from meat and humans, Denmark, July 1998–July 2002*

Serotype Domestic meat
 Imported meat
 Humans†
No. tested %
 No. tested %
 No. tested %
S R M Nal S R M Nal S R M Nal
Typhimurium‡
 1,508
 73
 21
 6
 1
 138
 34
 24
 42§
 9§
 1,886
 61
 20
 19
 3
Infantis‡
 184
 94
 4
 2
 2
 50
 84
 10
 6
 8§
Derby‡
 163
 55
 44
 1
 1
 34
 32
 59
 9§
 3
Heidelberg
 6
 67
 33
 0
 17
 157
 49
 13
 38
 4
Hadar‡
 38
 74
 26
 0
 11
 113
 1
 53§
 46§
 81§
 189
 26
 71
 3
 58
Enteritidis‡
 91
 90
 9
 1
 4
 50
 84
 16
 0
 10
 1,706
 92
 7
 0
 4
Indiana‡
 94
 95
 4
 1
 0
 40
 45
 43§
 13§
 3
Newport
 2
 0
 100
 0
 100
 78
 28
 51
 21
 60
 59
 88
 7
 5
 5
Kottbus
 26
 81
 19
 0
 15
 49
 6
 90
 4
 92
Dublin
 71
 99
 1
 0
 1
 4
 100
 0
 0
 0
 88
 95
 5
 0
 2
Anatum
 50
 100
 0
 0
 0
 12
 75
 8
 17
 0
Saintpaul
 9
 11
 0
 89
 22
 39
 31
 8
 62
 15
 58
 72
 9
 19
 7
Regent
 47
 0
 100
 0
 100
 1
 0
 100
 0
 0
Virchow
 3
 100
 0
 0
 0
 39
 44
 36
 21
 49
 95
 35
 56
 9
 62
Bredeney
 3
 100
 0
 0
 0
 38
 34
 0
 66
 11
Other‡
 690
 71
 24
 5
 5
 256
 56
 24
 20
 17
Total 2,985 74 22 4 4 1,078 42 30 28 26 4,081 73 17 9 7

*Only serotypes with ≥40 isolates are included.
†Only subsets of selected serovar are routinely tested for susceptibility to antimicrobial agents.
‡Indicates serotypes with >30 samples from Danish produced meat and >30 samples from imported meat, which were statistically tested.
§Indicates clinical significance.

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Page created: June 25, 2010
Page updated: June 25, 2010
Page reviewed: June 25, 2010
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