Table 3.
Virus detection on oropharyngeal swabs in each season for all samples to 2 years of age taken at routine visits (including those who did not complete follow-up excluding birth samples)
| Wintera | Spring | Summer | Autumn | |
|---|---|---|---|---|
| Number of samples (%) | 296 (25%) | 305 (26%) | 226 (19%) | 367 (31%) |
| Symptomatic (%) | 118 (40%) | 102 (33%) | 52 (23%) | 131 (36%) |
| Mean age (days) at visit | 312 | 364 | 335 | 263 |
| Individual viruses total number positive (in brackets % symptomatic) | ||||
| Rhinovirus | 135 (52%) | 142 (47%) | 80 (39%) | 176 (48%) |
| Adenovirus | 38 (61%) | 49 (39%) | 34 (44%) | 26 (50%) |
| Bocavirus | 25 (36%) | 29 (52%) | 9 (44%) | 20 (55%) |
| Coronavirus | 22 (41%) | 14 (21%) | 2 (50%) | 4 (75%) |
| Polyomavirus | 13 (46%) | 35 (40%) | 13 (23%) | 11 (45%) |
| Metapneumovirus | 7 (71%) | 3 (67%) | 2 (100%) | 0 (0%) |
| RSV | 19 (68%) | 1 (100%) | 1 (0%) | 11 (82%) |
| Parainfluenza | 4 (75%) | 7 (71%) | 2 (100%) | 8 (75%) |
| Influenza | 2 (50%) | 2 (50%) | 0 | 0 |
aHere the seasons are defined conventionally, as Winter (December, January, February), Spring (March, April, May), Summer (June, July, August), and Autumn (September, October, November)