Table 3.
Virucidal activity of the “final formulation” with 2 % urea and 2 % citric acid against test viruses of the German (values with Aqua bidest. and FCS) and European Guidelines (values with clean conditions)
| Virus | Conc. | Test method | Soil load | Exposure times | |||
|---|---|---|---|---|---|---|---|
| 15 s | 30 s | 60 s | 90 s | ||||
| BVDV | 80 % | DVV/RKI | Aqua bidest. | ≥4.63 ± 0.16 | ≥4.63 ± 0.16 | n.d. | n.d. |
| BVDV | 80 % | DVV/RKI | FCS | ≥4.63 ± 0.16 | ≥4.63 ± 0.16 | n.d. | n.d. |
| Vaccinia virus | 80 % | DVV/RKI | Aqua bidest. | ≥5.44 ± 0.19 | ≥5.44 ± 0.19 | ≥5.44 ± 0.19 | n.d. |
| Vaccinia virus | 80 % | DVV/RKI | FCS | ≥4.94 ± 0.26 | ≥5.51 ± 0.18 | ≥5.51 ± 0.18 | n.d. |
| PV | 80 % | DVV/RKI | Aqua bidest. | n.d. | 4.32 ± 0.41 | ≥6.13 ± 0.35 | n.d. |
| PV | 80 % | DVV/RKI | FCS | n.d. | 3.13 ± 0.37 | 4.57 ± 0.37 | n.d. |
| PV | 80 % | EN 14476 | Clean conditions | n.d. | ≥5.32 ± 0.34 | ≥5.75 ± 0.30 | n.d. |
| AdV | 80 % | DVV/RKI | Aqua bidest. | n.d. | 3.75 ± 0.31 | ≥4.50 ± 0.29 | ≥5.13 ± 0.33 |
| AdV | 80 % | DVV/RKI | FCS | n.d. | 3.44 ± 0.00 | 4.31 ± 0.42 | 4.94 ± 0.40 |
| AdV | 80 % | EN 14476 | Clean conditions | n.d. | 4.19 ± 0.31 | ≥5.38 ± 0.25 | n.d. |
| SV40 | 80 % | DVV/RKI | Aqua bidest. | n.d. | ≥5.44 ± 0.27 | ≥5.44 ± 0.27 | ≥5.88 ± 0.29 |
| SV40 | 80 % | DVV/RKI | FCS | n.d. | 3.75 ± 0.55 | 4.32 ± 0.34 | ≥5.38 ± 0.25 |
| MNV | 80 % | EN 14476 | Clean conditions | n.d. | 4.13 ± 0.39 | ≥5.38 ± 0.29 | ≥5.88 ± 0.33 |
Results are derived from a quantitative suspension test in duplicates and presented as reduction factor (RF) with 95 % confidence interval. n.d. not determined