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| Methods | Randomization by household. Allocation by random numbers tables. |
|
| Participants | 626 Kenyan rural villagers, contacts of index cases. | |
| Interventions | Isoniazid 300‐500 mg daily for 12‐24 months. | |
| Outcomes | 1. Pulmonary tuberculosis (sputum microscopy or culture) 2. Deaths | |
| Notes | — | |
