TABLE 5.
Nested-PCR results in urban sewage samples from different countriesa
| Sample | HAd | BKV | JCV | SV40 |
|---|---|---|---|---|
| Site 2 (Umeå) | ||||
| UMEA1 | + (−2) | + (0) | + (−2) | − |
| UMEA2 | + (0) | − | + (−1) | − |
| UMEA3 | + (0) | + (0) | + (−2) | − |
| UMEA4 | + (−1) | + (0) | + (−1) | − |
| Site 3 (Nancy) | ||||
| NANCY1 | + (−2) | + (−1) | + (−3) | − |
| NANCY2 | + (−2) | + (−1) | + (−3) | − |
| NANCY3 | + (−1) | + (−1) | + (−3) | − |
| NANCY4 | + (−2) | + (0) | + (−2) | − |
| Site 4 (Pretoria) | ||||
| PRETORIA1 | + (−1) | + (−2) | + (−2) | − |
| PRETORIA2 | + (−3) | + (−1) | + (−1) | − |
| PRETORIA3 | + (−3) | + (−1) | + (−1) | − |
| PRETORIA4 | + (−2) | + (−1) | + (−1) | − |
a
Results obtained after nested-PCR analysis of 4 ml of sewage for sites 2 and 3 and 1.2 ml of sewage for site 4. HAd, human Ad; +, positive; −, negative. The numbers in parentheses are the highest decimal dilutions positive by nested PCR.