Table 2. Prevalence of onchocerciasis in children less than 10 years old tested by Ov-16 IgG4 RDT, ELISA and PCR, Bioko Island, September 2016 to January 2017.
| Population | Onchocerciasis RDT (n = 7,052) | Onchocerciasis ELISA Ov16 (n = 720) | Onchocerciasis PCR (n = 720) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Positive | Prev. (%) | 95% CI | n | Positive | Prev. (%) | 95% CI | n | Positive | Prev. (%) | 95% CI | |
| Overall population | 7,052 | 4 | 0.06 | (0.02–0.14) | 720 | 6* | 0.83 | (0.34–1.85) | 720 | 0 | 0 | (0.00–0.64) |
| Riaba | 95 | 1 | 1.05 | (0.18–5.72) | 11 | 0 | 0 | (0.00–25.88) | 11 | 0 | 0 | (0.00–25.88) |
| Baney | 1,154 | 0 | 0 | (0.00–0.40) | 120 | 0 | 0 | (0.00–3.73) | 120 | 0 | 0 | (0.00–3.73) |
| Luba | 493 | 0 | 0 | (0.00–0.93) | 49 | 0 | 0 | (0.00–7.27) | 49 | 0 | 0 | (0.00–7.27) |
| Rural Malabo | 968 | 3 | 0.31 | (0.06–0.95) | 96 | 0 | 0 | (0.00–3.85) | 96 | 0 | 0 | (0.00–3.85) |
| Urban Malabo | 4,342 | 0 | 0 | (0.00–0.11) | 444 | 6* | 1.33 | (0.55–2.99) | 444 | 0 | 0 | (0.00–1.03) |
* 3 indeterminate sera were not included as positive; Prev: prevalence; 95% CI: 95% confidence interval; N.P.: not performed.