Table 2 Most probable number of E. coli and detection of STEC
MPNa of E. coli | No. of samples analysed | STEC O157:H7 | Non-O157 STEC | Total STEC |
|---|---|---|---|---|
<10 | 488 | 2 (0.4%) | 43 (9%) | 43 (9%) |
10–99 | 183 | 2 (1%) | 27 (15%) | 29 (16%) |
100–999 | 71 | 2 (3%) | 8 (11%) | 9 (13%) |
>999 | 43 | 2 (5%) | 12 (28%) | 14 (33%) |