Table 4. Prevalence of onchocerciasis and lymphatic Filariasis in children less than 10 years old tested by RDT, ELISA and PCR, on the second visit, Bioko Island, May 2017.
| Diagnostic test | Initial sample | Positive samples obtained during the second visit (n = 16) | Overall prevalence (%) | 95% CI* |
|---|---|---|---|---|
| Onchocerciasis RDT | 7,052 | 2 | 0.03 | (0.00–0.11) |
| Onchocerciasis ELISA Ov16 (10%negative + RDT positive) | 720 | 1 | 0.14 | (0.00–0.86) |
| Onchocerciasis PCR (serologically positive) | 13 | 0 | 0 | (0.00–22.81)- |
| Lymphatic Filariasis RDT | 1230 | 0 | 0 | (0.00–0.38)- |
| Lymphatic Filariasis Wb123 ELISA (10%negative + RDT positive) | 131 | 3** | 2.29 | (0.48–6.81) |
| Lymphatic Filariasis PCR (serologically positive) | 6 | 0 | 0 | (0.00–39.03)- |
* For the 95% CI estimation, an unknown population was included as denominators
** One previously Wb123 ELISA positive child was unavailable during the second visit.