Table 2.
Origin and characterization of O178:H19 isolates.
| Strain number | Farm | Virulence genotype* | sab | stx2 subtype | MLVA profile |
|---|---|---|---|---|---|
| 1 | A | stx2 | − | stx2vha | I1 |
| 2 | A | stx2 | − | stx2vha | I1 |
| 3 | A | stx2 | − | stx2vha | I1 |
| 4 | A | stx2 | − | stx2vha | I1 |
| 5 | A | stx2 | − | stx2vha | I2 |
| 6 | C | stx2 | − | stx2vha | I3 |
| 7 | C | stx2 | − | stx2vha | I5 |
| 8 | D | stx2 | − | stx2vha | I1 |
| 9 | D | stx2 | + | stx2vhb | II2 |
| 10 | E | stx2 | − | stx2vha | I1 |
| 11 | E | stx2 | + | stx2EDL933 | II4 |
| 12 | E | stx2 | − | stx2vhb | I4 |
| 13 | E | stx2 | − | stx2vha | I2 |
| 14 | E | stx2 | − | stx2vha | I1 |
| 15 | B | stx2 | − | stx2vha | I3 |
| 16 | A | stx2 | − | stx2vha | I2 |
| 17 | C | stx1−stx2-ehxA-saa | + | stx2EDL933 | II3 |
| 18 | C | stx1−stx2-ehxA-saa | + | stx2EDL933 | II5 |
| 19 | D | stx2 | − | stx2vha | I2 |
| 20 | D | stx1−stx2-ehxA-saa | + | stx2EDL933 | II2 |
| 21 | D | stx2-ehxA-saa | − | stx2vha | I2 |
| 22 | D | stx2 | − | stx2vha | I1 |
| 23 | E | stx1−stx2-ehxA-saa | + | stx2EDL933 | II1 |
| 24 | C | stx2 | − | stx2vha | I1 |
| 25 | C | stx2 | − | stx2vha | I1 |
*
Previously determined (Fernández et al., 2010).