Table 3. Proportions of human metapneumovirus (hMPV) infections in children, Finland, 2000–2001.
| Age, y* | Whole respiratory season |
Major hMPV outbreak† |
|||
|---|---|---|---|---|---|
| Total no. specimens | No. hMPV-positive specimens (%) | Total no. specimens | No. hMPV-positive specimens (%) | ||
| <2 | 1,107 | 19 (1.7) | 430 | 18 (4.2) | |
| 2–<4 | 1,156 | 14 (1.2) | 518 | 12 (2.3) | |
| 4–<6 | 631 | 9 (1.4) | 309 | 9 (2.9) | |
| 6–<9 | 420 | 3 (0.7) | 194 | 3 (1.5) | |
| 9 –12 |
307 |
2 (0.7) |
|
151 |
2 (1.3) |
| All children | 3,621 | 47 (1.3) | 1,602 | 44 (2.7) | |
*Age at beginning of follow-up. †Period of 14 consecutive weeks during which hMPV infections were detected every week in the children.