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Table 1 Results of PCR analysis of virulence genes (stx 1, stx 2 and eae) detected in samples from children, staff and close contacts of a day-care centre, Norway 2009

From: Investigation of an Escherichia coli O145 outbreak in a child day-care centre - extensive sampling and characterization of eae- and stx 1-positive E. coli yields epidemiological and socioeconomic insight

PCR results

Children attending day-care centre (n = 61)

Staff

(n = 14)

Close contacts (n = 74)

Total

(n = 149)

Pure culture

    

   STEC (stx 1+eae)

16a, b

-

-

16

   STEC (stx 1, stx 2+eae)

1

-

1

2

   aEPEC (eae)

13b

2

-

15

Mixed culture only

    

   stx 1+eae

1

-

2

3

   stx 2+eae

1

-

-

1

   eae only

11

-

3

14

Total

43

2

6

51

  1. a Cases
  2. b For one case in whom both STEC and aEPEC was detected, only the STEC isolate is recorded in the table.
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BMC Infectious Diseases

ISSN: 1471-2334

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