Table 2.
Leptospirosis seroprevalence in the islands of American Samoa 2010
| Number of seropositive samples on MAT and Seroprevalence (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Island | Number Sampled | Most common serovars | All serovars | ||||||
| Hebdomadis | LT 751 | LT 1163 | |||||||
| n | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | |
| Tutuila | 721 | 72 | 10 (7.9 - 12.4) | 31 | 4.3 (2.9 - 6.0) | 25 | 3.5 (2.3 - 5.1) | 117 | 16.2 (13.6 - 19.1) |
| Aunu'u | 16 | 0 | 0 (0 - 20.6) | 0 | 0 (0 - 20.6) | 0 | 0 (0 - 20.6) | 0 | 0 (0 - 20.6) |
| Ta'u* | 45 | 0 | 0 (0 - 7.9) | 5 | 11.1 (3.7 - 24.1) | 1 | 2.2 (0.1 - 11.8) | 6 | 13.3 (5.1 - 26.8) |
| Ofu* | 11 | 0 | 0 (0 - 28.5) | 1 | 9.1 (0.2 - 41.3) | 0 | 0 (0 - 28.5) | 1 | 9.1 (0.2 - 41.3) |
| Olosega* | 14 | 0 | 0 (0 - 23.2) | 1 | 7.1 (1.8 - 33.9) | 0 | 0 (0 - 23.2) | 1 | 7.1 (1.8 - 33.9) |
| Total | 807 | 72 | 8.9 (7.0 - 11.1) | 38 | 4.7 (3.4 - 6.4) | 26 | 3.2 (2.1 - 4.7) | 125 | 15.5 (13.1 - 18.2) |
*Part of the Manu'a group of islands