TABLE 3.
Serogroup and virulence factors of E. coli O157 and non-O157 STEC bird isolates
| Mo | Location | Bird species | Sample type | Gene presence/absencea |
Serogroup or serotype | ||||
|---|---|---|---|---|---|---|---|---|---|
| hlyA | eaeA | stx2 | stx1 | ehxA | |||||
| March | NWR | Greater white-fronted goose | Pooled feces | 0 | 0 | 0 | 1 | 1 | O26 |
| 1 | 1 | 0 | 1 | 1 | O84 | ||||
| July | NWR | Canada goose | Pooled feces | 1 | 0 | 1 | 1 | 1 | O163 |
| 1 | 0 | 1 | 1 | 1 | O163 | ||||
| September | CR | Red-winged blackbird (same individual) | Feces | 1 | 1 | 0 | 1 | 1 | O26 |
| Feet and feathers | 1 | 1 | 0 | 1 | 1 | O26 | |||
| Golden-crowned sparrow | Feet and feathers | 1 | 1 | 0 | 1 | 1 | O26 | ||
| November | NWR | Bewick’s wren | Feces | 1 | 1 | 0 | 1 | 1 | O103 |
| Ruby-crowned kinglet | Feces | 1 | 1 | 1 | 1 | 1 | O157:H7 | ||
| Ruby-crowned kinglet | Feces | 1 | 1 | 1 | 1 | 1 | O157:H7 | ||
a
0, absent; 1, present.