Table 1.
Results of PCR analysis of virulence genes (stx1, stx2 and eae) detected in samples from children, staff and close contacts of a day-care centre, Norway 2009
| PCR results | Children attending day-care centre (n = 61) | Staff (n = 14) |
Close contacts (n = 74) | Total (n = 149) |
|---|---|---|---|---|
| Pure culture | ||||
| STEC (stx1+eae) | 16a, b | - | - | 16 |
| STEC (stx1, stx2+eae) | 1 | - | 1 | 2 |
| aEPEC (eae) | 13b | 2 | - | 15 |
| Mixed culture only | ||||
| stx1+eae | 1 | - | 2 | 3 |
| stx2+eae | 1 | - | - | 1 |
| eae only | 11 | - | 3 | 14 |
| Total | 43 | 2 | 6 | 51 |
a Cases
b For one case in whom both STEC and aEPEC was detected, only the STEC isolate is recorded in the table.