Volume 14, Number 1—January 2008
Research
Human Metapneumovirus Infections in Children
Terho Heikkinen*
, Riikka Österback†, Ville Peltola*, Tuomas Jartti*, and Raija Vainionpää†
, Riikka Österback†, Ville Peltola*, Tuomas Jartti*, and Raija Vainionpää†
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.
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