Question:medium

In a thermal treatment, 5-log reduction of microorganism means __________.

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Quick reference for log reductions:
- 1-log reduction = \( 90\% \) destruction, \( 10\% \) survival
- 2-log reduction = \( 99\% \) destruction, \( 1\% \) survival
- 3-log reduction = \( 99.9\% \) destruction, \( 0.1\% \) survival
- 4-log reduction = \( 99.99\% \) destruction, \( 0.01\% \) survival
- 5-log reduction = \( 99.999\% \) destruction, \( 0.001\% \) survival
Updated On: Jul 21, 2026
  • 99.949% destruction
  • 0.001% survival
  • 99.0% reduction
  • 1.0% survival
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The Correct Option is A

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