TABLE 3.

Effect of SR storage temperature on M. bovis BCG killing

SR storage temp (°C)Storage time (mo)Testing methodAvg log10reduction
253Centrifugation/wash6.8 ± 0.9
453Centrifugation/wash6.7 ± 1.0
4>3Centrifugation/wash7.0 ± 1.1
459Filter/washa >6
359Filter/wash>6
2518Filter/wash>6
49Filter/wash>6
  • a Filter and wash tests were performed by an independent testing agency (Microbiotest, Sterling, VA).