Table 2. Prevalence of dengue virus IgG in the blood donor population, northern Queensland, Australia.
Variable | No. samples | Reactive, no. (% [95% CI]) |
---|---|---|
Northern Queensland | 1,548 | 146 (9.43 [7.98–10.89]) |
Age group, y | ||
<40 | 567 | 18 (3.17 [1.73–4.62]) |
40–60 | 742 | 70 (9.43 [7.33–11.54]) |
>60 | 239 | 58 (24.27 [18.83–29.70]) |
Outbreak | ||
Start | 788 | 72 (9.14 [7.13–11.15]) |
End |
760 |
74 (9.74 [7.63–11.84]) |
Cairns | 738 | 53 (7.18 [5.32–9.04]) |
Age group, y | ||
<40 | 271 | 5 (1.85 [0.24–3.45]) |
40–60 | 360 | 26 (7.22 [4.55–9.90]) |
>60 | 107 | 22 (20.56 [12.90–28.22]) |
Outbreak | ||
Start | 384 | 31 (8.07 [5.35–10.80]) |
End |
354 |
22 (6.21 [3.70–8.73]) |
Townsville | 810 | 93 (11.48 [9.29–13.68]) |
Age group, y | ||
<40 | 296 | 13 (4.39 [2.06–6.73]) |
40–60 | 382 | 44 (11.52 [8.32–14.72]) |
>60 | 132 | 36 (27.27 [19.68–34.87]) |
Outbreak | ||
Start | 404 | 41 (10.15 [7.20–13.09]) |
End |
406 |
52 (12.81 [9.5–16.066]) |
Melbourne | 457 | 31 (6.78 [4.48–9.09]) |
Age group, y | ||
<40 | 151 | 11 (7.28 [3.14–11.43]) |
40–60 | 215 | 16 (7.44 [3.93–10.95]) |
>60 | 91 | 4 (4.40 [0.18–8.61]) |