Table 3.
Cross-Reactivity (Analytic Specificity).
| Virus | Test concentration | Reactivity of a virus as a function of the number of assays with positive result/total number of assays | |||||
|---|---|---|---|---|---|---|---|
| Dengue NS1 Ag (SD) | Dengue NS1 Ag strip (Bio-Rad) | DENV serotype NS1 multiple LFIA | |||||
| D1 | D2 | D3 | D4 | ||||
| Dengue virus-1 | 2*10^6 pfu/ml | 3/3 | 3/3 | 3/3 | 0/3 | 0/3 | 0/3 |
| Dengue virus-2 | 10^6 pfu/ml | 3/3 | 3/3 | 0/3 | 3/3 | 0/3 | 0/3 |
| Dengue virus-3 | 8*10^ 5pfu/ml | 3/3 | 3/3 | 0/3 | 0/3 | 3/3 | 0/3 |
| Dengue virus-4 | 5*10^5 pfu/ml | 3/3 | 3/3 | 0/3 | 0/3 | 0/3 | 3/3 |
| Japanese encephalitis virus | 10^7pfu/ml | 3/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| Zika virus | 10^7 pfu/ml | 3/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| Yellow Fever 17D | 2*10^5 pfu/ml | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| West Nile virus | 5*10^7 pfu/ml | 3/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
| Chikungunya virus | 5*10^7 pfu/ml | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 |
In bold: Only to highlight the assay results.