Table 5.
Specimen test results by year*,**
| Influenza A n (%) (95% CI) | Influenza B n (%) (95% CI) | Other n (%) (95% CI) | Negative n (%) (95% CI) | Total | |
|---|---|---|---|---|---|
| 2004–2005 | 7 (6) (2·9–11·7) | 26 (22) (16·2–31·2) | 15 (12) (7·2–18·9) | 72 (60) (50·3–67·8) | 120 |
| 2005–2006 | 91 (40) (35·1–47·9) | 9 (4) (2·1–7·4) | 29 (13) (8·8–17·4) | 98 (43) (36·0–48·8) | 227 |
| 2006–2007 | 33 (16) (11·6–21·6) | 11 (5) (3·0–9·3) | 52 (24) (18·9–30·6) | 116 (55) (47·6–61·0) | 212 |
| 2007–2008 | 56 (14) (11·6–18·7) | 38 (10) (7·5–13·6) | 60 (15) (11·9–19·0) | 237 (61) (54·9–64·7) | 391 |
| 2008–2009 (through 20 April) | 44 (13) (10·3–17·8) | 3 (0·9) (0·3–2·7) | 61 (18) (14·5–22·9) | 223 (67) (63·7–73·8) | 331 |
| 2009 (21 April through 16 September) | 132 (22) (19·3–26·0) | 0 (0) (0·0–0·6) | 34 (6) (3·9–7·6) | 446 (73) (69·7–76·7) | 612 |
| Total | 363 (19) | 87 (5) | 251 (13) | 1192 (63) | 1893 |
CI, confidence interval.
*Starting in 2005–2006, bacteriological testing was added.
**Other pathogens – adenovirus, enterovirus, herpes simplex 1, parainfluenza virus 1–3, respiratory syncytial virus,Streptococcus pneumoniae, S. pyogenes, Haemophilus influenzae, β‐hemolytic streptococcus (not group A), group C streptococcus, Moraxella catarrhalis.