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Numbers of nasopharyngeal swabs and S. pneumoniae isolates at each time point for azithromycin and placebo clusters
| Time point | Azithromycin | Placebo | ||
|---|---|---|---|---|
| Swabs | Isolates grown (%) | Swabs collected | Isolates grown (%) | |
| 0 months | 150 | 18 (12.0) | 150 | 10 (6.7) |
| 12 months | 144 | 84 (58.3) | 150 | 82 (54.7) |
| 24 months | 150 | 81 (54) | 150 | 82 (54.7) |
| 36 months | 202 | 147 (72.8) | 221 | 176 (79.6) |
