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Hydrogen peroxide sensitivitiesa of H. pylori strains at various oxygen concentrations
| Strain | Growth inhibition zone (mm) at O2 concn (%) of:
|
|||
|---|---|---|---|---|
| 2 | 3 | 4 | 5 | |
| 43504 | 0 | 3 | 5 | 5 |
| HPG2 | 10 | 17 | 19 | NDb |
Sensitivity assayed as a zone of inhibition of growth, measured from the edge of the disk (containing 20 μl of 30% H2O2) to the edge of growth.
Not determined; growth was too light to accurately determine a zone of inhibition.
