PAF matrix for RSV and influenza
| Age group (PAF%) | |||
| <12 Months | 12–<36 Months | ≥36 Months | |
| RSV | |||
| Season | |||
| October–December | 48.0 | 38.1 | 20.0 |
| January–March | 48.1 | 35.6 | 19.2 |
| April–September | 23.5 | 16.7 | 4.8 |
| Influenza virus | |||
| Season | |||
| October–December | -* | 8.0 | 3.8 |
| January–March | 11.0 | 9.5 | 30.3 |
| April–September | 3.0 | -* | 4.8 |
No estimates for S. pneumoniae are presented due to its high prevalence in the control group (see Methods for details) and for PIV and metapneumovirus due to low overall detection numbers.
*None detected in cases or controls.
PAF, population attributable fraction; RSV, respiratory syncytial virus.