Table 1. Coincidence of VDPV detection at different levels of Skalica sewerage.a .
| Dateb | Sampling site and isolation of VDPV strains in cell culture | ||||
| Number of VDPV yielding vials out of inoculatedc | |||||
| Skalica main | Collector 1 | Branch 1A | Branch 1B | Branch 1C | |
| 07-01-2004 | 2/12 | 0/3 | NT | NT | NT |
| 28-01-2004 | 3/12 | NT | NT | NT | NT |
| 11-02-2004 | 0/3 | 3/12 | NT | NT | NT |
| 18-02-2004 | 0/3 | 4/12 | NT | NT | NT |
| 12-05-2004 | 0/3 | 2/12 | 1/9 | 0/3 | 0/3 |
| 21-05-2004 | 0/3 | 0/3 | 12/12 | 0/3 | 0/3 |
| 28-05-2004 | 4/9 | 9/12 | 5/9 | 4/9 | 1/9 |
| 17-06-2004 | 0/3 | 1/9 | 0/3 | 0/3 | 0/3 |
| 05-08-2004 | 0/3 | 1/9 | 1/9 | NT | NT |
| 11-08-2004 | 0/3 | 0/3 | 1/9 | NT | NT |
| 11-11-2004 | 0/3 | 0/3 | 2/9 | 0/6 | 0/3 |
| 25-11-2004 | 0/3 | 2/9 | 0/3 | 0/3 | 0/3 |
| 30-11-2004 | 2/9 | 0/3 | 2/9 | 0/12 | 0/12 |
| 06-12-2004 | 3/12 | 4/12 | 6/9 | 0/12 | 0/12 |
| 15-12-2004 | 0/3 | 1/9 | 1/9 | 0/6 | 0/3 |
| 05-01-2005 | 4/12 | 5/12 | 0/3 | 0/3 | 0/3 |
| 13-01-2005 | 0/3 | 0/12 | 5/12 | 0/3 | 0/3 |
| 20-01-2005 | 7/12 | 0/3 | 7/12 | 0/3 | 0/3 |
| 17-02-2005 | NT | 1/9 | 11/12 | 0/3 | 0/3 |
a
Only dates with at least one VDPV isolated are shown. For details of sewerage structure see Fig. 1;
b
Date format: dd-mm-yyyy;
c
Bold phase; VDPV-containing samples; some vials yielded more than one strain; NT, not tested.