Table 2 RT-PCR results by age group and overall
Category | < 1 y N = 39 | 1–2 y N = 111 | 3–4 y N = 77 | 5–13 y N = 103 | 14–17 y N = 7 | 18–64 y N = 135 | ≥65 y N = 30 | Overall N = 502 |
|---|---|---|---|---|---|---|---|---|
Laboratory-confirmed influenza | 19 (48.7) | 46 (41.4) | 42 (54.5) | 66 (64.1) | 5 (71.4) | 66 (48.9) | 15 (50.0) | 259 (51.6) |
Influenza A | 7 (17.9) | 18 (16.2) | 28 (36.4) | 15 (14.6) | 0 (0.0) | 16 (11.9) | 3 (10.0) | 87 (17.3) |
A/H1 | 6 (15.4) | 15 (13.5) | 22 (28.6) | 10 (9.7) | 0 (0.0) | 5 (3.7) | 1 (3.3) | 59 (11.8) |
A/H3 | 1 (2.6) | 1 (0.9) | 4 (5.2) | 3 (2.9) | 0 (0.0) | 6 (4.4) | 0 (0.0) | 15 (3.0) |
A/not subtyped | 0 (0.0) | 2 (1.8) | 2 (2.6) | 2 (1.9) | 0 (0.0) | 5 (3.7) | 2 (6.7) | 13 (2.6) |
Influenza B | 12 (30.8) | 28 (25.2) | 14 (18.2) | 51 (49.5) | 5 (71.4) | 50 (37.0) | 12 (40.0) | 172 (34.3) |
B/Yamagata | 6 (15.4) | 14 (12.6) | 8 (10.4) | 29 (28.2) | 2 (28.6) | 22 (16.3) | 4 (13.3) | 85 (16.9) |
B/Victoria | 0 (0.0) | 2 (1.8) | 0 (0.0) | 6 (5.8) | 0 (0.0) | 1 (0.7) | 0 (0.0) | 9 (1.8) |
B/not characterized | 6 (15.4) | 12 (10.8) | 6 (7.8) | 16 (15.5) | 3 (42.9) | 27 (20.0) | 8 (26.7) | 78 (15.5) |
Laboratory-confirmed RSV | 9 (23.1) | 19 (17.1) | 11 (14.3) | 5 (4.9) | 0 (0.0) | 2 (1.5) | 2 (6.7) | 48 (9.6)a |