TABLE 4.
Environmental sample diagnosis results in 1999-2001 by NTS2 PCR assay
| State and sample | No. positive | No. negative |
|---|---|---|
| Md. | ||
| Water | 22 | 196 |
| Sediment | 18 | 15 |
| N.C. | ||
| Water | 3 | 3 |
| Sediment | 6 | 4 |
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