Table 2.
Estimated 4-log10 reduction times and standard errors for spores from four different Bacillus anthracis strains using three different disinfectants
| 4 log10 reduction times (min) | Virulence plasmids | |||||
|---|---|---|---|---|---|---|
| Disinfectant | Strain | Estimate1 | SE | pXO1 | pXO2 | |
| GTA | A0256 | 34.46 | a | 3.52 | + | + |
| A0372 | 20.13 | b | 1.97 | + | + | |
| Sterne | 19.22 | b | 5.54 | + | − | |
| A0141 | 19.99 | b | 1.01 | − | + | |
| OPA | A0256 | 157.51 | a | 4.46 | + | + |
| A0372 | 113.49 | b | 14.48 | + | + | |
| Sterne | 150.96 | a | 5.65 | + | − | |
| A0141 | 109.24 | b | 2.79 | − | + | |
| SSH | A0256 | 20.02 | a | 0.60 | + | + |
| A0372 | 19.91 | a | 0.62 | + | + | |
| Sterne | 22.70 | a | 1.61 | + | − | |
| A0141 | 23.28 | a | 3.89 | − | + | |
GTA, 1.5% alkaline glutaraldehyde; OPA, 0.3% ortho-phthalaldehyde; SSH, 0.55% stabilized sodium hypochlorite.
1
Estimates for Bacillus anthracis strains (within disinfectants) followed by the same letter are not significantly different (P > 0.05).