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| Number of Subsequent Malaria Episodes | 8-week Placebo | 14-day PQ | 8-week PQ |
| 0 | 46 (67.7) | 53 (98.2) | 67 (93.1) |
| 1 | 12 (17.7) | 1 (1.9) | 4 (5.6) |
| 2 | 6 (8.8) | 0 | 0 |
| 3 | 3 (4.4) | 0 | 0 |
| 4 | 0 | 0 | 0 |
| 5 | 1 (1.5) | 0 | 0 |
