TABLE 3.
Effect of SR storage temperature on M. bovis BCG killing
| SR storage temp (°C) | Storage time (mo) | Testing method | Avg log10reduction |
|---|---|---|---|
| 25 | 3 | Centrifugation/wash | 6.8 ± 0.9 |
| 45 | 3 | Centrifugation/wash | 6.7 ± 1.0 |
| 4 | >3 | Centrifugation/wash | 7.0 ± 1.1 |
| 45 | 9 | Filter/washa | >6 |
| 35 | 9 | Filter/wash | >6 |
| 25 | 18 | Filter/wash | >6 |
| 4 | 9 | Filter/wash | >6 |
Filter and wash tests were performed by an independent testing agency (Microbiotest, Sterling, VA).