The tests on 1,875 individual serum samples revealed 42 positive samples, with the seroprevalence being 2.24% (95% CI: 1.57 - 2.91%).
Among the 375 serum pools, 40 were positive.
The rate of false negativity was 0 (95% CI: 0 - 8.4%).
The sensitivity of the serum pooling protocol was 100% (95% CI: 91.6 - 100%).
The false positive rate was 0.8% (95% CI: 0 - 1.8%) and the specificity of the pooling protocol was 99.2% (95% CI: 98.2 - 100%).