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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§

1,886
61
20
19
3
Infantis‡
184
94
4
2
2
50
84
10
6






Derby‡
163
55
44
1
1
34
32
59

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.

Main Article

Page created: June 25, 2010
Page updated: June 25, 2010
Page reviewed: June 25, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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