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Colonization with bacterial pathogens in children of different ages.
| Age in years | No. of children | >1 bacteria, n (%) | S. pneumoniae, n (%) | H. influenzae, n (%) | S. aureus, n (%) | M. catarrhalis, n (%) |
|---|---|---|---|---|---|---|
| 0–1 | 17 | 8 (47) | 13 (76) | 3 (18) | 4 (24) | 7 (41) |
| 2–3 | 17 | 7 (41) | 13 (76) | 2 (12) | 3 (18) | 6 (35) |
| 4–5 | 19 | 7 (37) | 17 (89) | 4 (21) | 4 (21) | 2 (11) |
| 6–7 | 13 | 4 (31) | 8 (62) | 5 (38) | 1 (8) | 3 (23) |
| 8–10 | 13 | 6 (46) | 8 (62) | 3 (23) | 5 (38) | 4 (31) |
| All children | 79 | 32 (41) | 59 (75) | 17 (22) | 17 (22) | 22 (28) |
