Volume 19, Number 2—February 2013
Letter
Seroprevalence of Dengue in American Samoa, 2010
Table
Prevalence of IgG against dengue virus among 794 adults, American Samoa, 2010*
| Characteristic | No. positive/no. tested | % Positive (95% CI) |
|---|---|---|
| Dengue IgG status | ||
| Negative, PBU <9.0 | 29/794 | 3.6 (2.6–5.2) |
| Equivocal, PBU 9.0–11.0 | 6/794 | 0.8 (0.35–1.6) |
| Positive, PBU >11.0 |
759/794 |
95.6 (93.9–96.8) |
| Sex | ||
| M | 402/418 | 96.2 (93.9–97.6) |
| F |
357/376 |
94.9 (92.2–96.7) |
| Age, y | ||
| 18–25 | 179/201 | 89.1 (84.0–92.6) |
| 26–40 | 216/217 | 99.5 (97.5–99.9) |
| 41–53 | 182/187 | 97.3 (93.9–98.8) |
| 54–87 |
182/189 |
96.3 (92.6–98.2) |
| Total | NA | NA |
*PBU, PanBio units; NA, not applicable.


