Shiga toxin gene type | Serotype | No. of isolates | stx variants | |||
---|---|---|---|---|---|---|
stx1c | stx2a | stx2c | stx2g | |||
stx1 only | O55 | 1 | 1 | – | – | – |
O84 | 4 | 4 | – | – | – | |
O108 | 5 | 5 | – | – | – | |
O111 | 2 | 2 | – | – | – | |
NT | 1 | 1 | – | – | – | |
Subtotal | 13 | 13 | – | – | – | |
stx2 only | O15 | 3 | – | 0 | 0 | 3 |
O109 | 2 | – | 0 | 0 | 2 | |
O119 | 3 | – | 3 | 0 | 0 | |
O157 | 18 | – | 18 | 18 | 0 | |
O169 | 1 | – | 1 | 0 | 0 | |
O185 | 1 | – | 1 | 1 | 0 | |
Subtotal | 28 | – | 23 | 19 | 5 | |
Both stx1 and stx2 | O8 | 4 | 3 | 4 | 0 | 0 |
O157 | 17 | 17 | 17 | 15 | 0 | |
NT | 1 | 1 | 1 | 0 | 0 | |
Subtotal | 22 | 21 | 22 | 15 | 0 | |
Total | Â | 63 | 34 | 45 | 34 | 5 |