TABLE 2.
Virucidal activities of ethanol and isopropanol for MNV
| Concn of alcohol (%) | Time (min) | Reduction in titera [log10 PFU/ml ± SD (% reduction)] | Reduction in titer [log10 copy no./ml ± SD (% reduction)] |
|---|---|---|---|
| Ethanol | |||
| 60 | 0.5 | >4 (99.99) | 1.22 ± 0.23 (93.97) |
| 1.0 | >4 (99.99) | NDb | |
| 3.0 | >4 (99.99) | ND | |
| 30 | 0.5 | 0.11 ± 0.06 (22.38) | ND |
| 1.0 | 0.16 ± 0.20 (30.82) | ND | |
| 3.0 | 0.29 ± 0.11 (48.71) | ND | |
| 10 | 0.5 | None | ND |
| 1.0 | None | ND | |
| 3.0 | None | ND | |
| Isopropanol | |||
| 60 | 0.5 | 3.86 (99.98) | 1.08 ± 0.57 (91.68) |
| 1.0 | >4 (99.99) | ND | |
| 3.0 | >4 (99.99) | ND | |
| 30 | 0.5 | 0.63 ± 0.18 (76.56) | ND |
| 1.0 | 0.78 ± 0.08 (83.40) | ND | |
| 3.0 | 1.62 ± 0.39 (97.60) | ND | |
| 10 | 0.5 | None | ND |
| 1.0 | 0.08 ± 0.05 (16.82) | ND | |
| 3.0 | 0.06 ± 0.02 (12.90) | ND |
a
High-titer stock of MNV was used for the control and the infectivity assays (bold case).
b
ND, not determined.