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Table 1 Prevalence of STEC in minced beef in Spain, from 1995 through 2003

From: Serotypes, virulence genes and intimin types of Shiga toxin (verocytotoxin)-producing Escherichia coli isolates from minced beef in Lugo (Spain) from 1995 through 2003

Year

No. of samples analysed

STEC O157:H7

Non-O157 STEC

Total STEC

1995

58

3

5%

8

14%

10

17%

1996

91

0

0%

8

9%

8

9%

1997

173

1

0.6%

20

12%

21

12%

1998

133

1

0.8%

18

14%

18

14%

2001

80

1

1.3%

6

8%

7

9%

2002

20

0

0%

1

5%

1

5%

2003

230

2

0.9%

29

13%

30

13%

Total

785

8

1.0%

90

11%

95

12%