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Table 2 Characteristics of strains of VTEC O157 isolated in the prevalence studies of cattle faeces at slaughterhouses in Sweden between 1996 and 2002

From: Verotoxigenic Escherichia coli O157:H7 from Swedish cattle; isolates from prevalence studies versus strains linked to human infections - A retrospective study

Presence of vtxgenes

Phage type

No. of isolates

vtx 1

vtx 2

vtx 2c

 

1996/97

1998-2002

vtx 1

  

8

1

1

 

vtx 2

 

4

2

2

  

vtx 2c

2

 

1

  

vtx 2c

8

 

1

  

vtx 2c

14

8

16

  

vtx 2c

32

2

2

  

vtx 2c

34

 

4

  

vtx 2c

49

 

2

  

vtx 2c

54

 

1

  

vtx 2c

RDNC

2

 
 

vtx 2

vtx 2c

1

 

1

 

vtx 2

vtx 2c

2

1

2

 

vtx 2

vtx 2c

4

6

34

 

vtx 2

vtx 2c

24

 

1

vtx 1

 

vtx 2c

8

13

29

vtx 1

 

vtx 2c

14

1

1

vtx 1

 

vtx 2c

RDNC 1

1

1

vtx 1

 

vtx 2c

RDNC 2

 

10

vtx 1

 

vtx 2c

RDNC 3

 

1

vtx 1

 

vtx 2c

RDNC 4

 

1

Total No. of isolates

 

37

111

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BMC Veterinary Research

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