Table 2. Antimicrobial resistance in nontyphoid Salmonella isolates from human sources according to some recent publications.

 

Country

Year of study

Salmonella serotypes

No. of isolates

Resistance (%)

Reference

Any antibiotics

AM

C

SXT

CIP

CRO/CTX

France

1997

S. Typhimurium

992

N/A

73

56

9

N/A

N/A

(6)

 

 

S. Enteritidis

800

N/A

7

4

3

N/A

N/A

 

 

 

S. Hadar

141

N/A

72

0

8

N/A

N/A

 

Spain

2001

Unspecified

1051

73

45

26

14

0.6

0.2

(20)

 

 

S. Typhimurium

284

N/A

80

73

19

1

1

 

 

 

S. Enteritidis

385

N/A

23

0

1

0

0

 

 

 

S. Hadar

101

N/A

70

1

5

1

1

 

USA

1996-2001

Unspecified

7370

39

18

10

2

0.1

1

(63)

Turkey

2000-2002

S. Typhimurium

215

88

82

80

3

0

0.5

(26)

 

 

S. Enteritidis

296

34

16

9

1

0.3

0

 

Taiwan

2003

Unspecified

675

69

44

49

31

8

1.5

(59)

 

 

S. Choleraesuis

67

98

91

91

88

69

1.5

 

Taiwan

2004

Unspecified

600

N/A

N/A

N/A

N/A

8

3

(69)

 

 

S. Choleraesuis

45

N/A

N/A

N/A

N/A

84

18

 

Abbreviations: AM, ampicillin; C, chloramphenicol, SXT, trimethoprim-sulfamethoxazole; CIP, ciprofloxacin; CRO/CTX, ceftriaxone or cefotaxime; N/A, data not available.