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M. leprae strains used in this study
| Strain | Dapsone susceptibilitya | Origin |
|---|---|---|
| Thai-53 | Susceptible | Thailand |
| WHO | Susceptible | India |
| 2898 | Resistant (0.01) | United States |
| 591 | Resistant (0.01) | Nepal |
| SA26 | Resistant (0.01) | United States |
| 569 | Resistant (0.001) | Nepal |
Measured in the mouse foot pad assay. Values in parentheses represent the maximum doses of dapsone (as percentages of the weight of food) at which M. leprae grew. Susceptible strains did not grow at 0.0001% dapsone.
