Table 1.
STEC isolates recovered from different chromogenic agars
| Agars | No. of samples with STEC isolates (%) | No. of STEC isolates | stx1 (%) | stx2 (%) | stx1 + stx2 (%) |
|---|---|---|---|---|---|
| MAC | 29 (24.2) | 31 | 1 (3.2) | 10 (32.3) | 20 (64.5) |
| CH-ECC | 29 (24.2) | 32 | 1 (3.2) | 10 (31.3) | 21 (65.6) |
| RBA-NT | 71 (59.2) | 91 | 29 (31.9) | 34 (37.4) | 28 (30.8) |
| CH-STEC | 57 (47.5) | 73 | 22 (30.1) | 31 (42.5) | 20 (27.4) |
| Total | 87 (72.5) | 126a | 31a | 45a | 50a |
aNumber of STEC isolates selected for further analyzing. MAC, MacConkey; CH-ECC, CHROMagar™ ECC, RBA-NT, modified Rainbow® Agar O157; CH-STEC, CHROMagar™ STEC