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Enriched specimens screened for stx1 and stx2 genes by PCR
| Type of specimen tested | No. of specimens tested (no. positive) for stx1 and stx2
|
||
|---|---|---|---|
| Primary enriched | Double enriched | Triple enriched | |
| Water | 34 (3) | 0 | 0 |
| Cow manure | 6 (3) | 3 (0) | 3 (0) |
| Soil from dry well | 2 (0) | 2 (2) | 2 (2) |
| Ice | 10 (0) | 6 (0) | 2 (0) |
| Stool | 6 (0) | 5 (2) | 0 |
| Septic tank | 5 (5) | 0 | 0 |
| Total (n = 86) | 63 (11) | 16 (4) | 7 (2) |
