Table 2.
Competitive ELISA results stratified by region and regional antibody prevalence.
| Ukraine | Region | by ELISA | comp. ELISA negative | comp. ELISA reactive (doubtful or positive) | ELISA prevalence |
| 1 | Donetska | 11 | 11 | - | - |
| 2 | Kharkivska | 21 | 16 | 5 | 23.80 % |
| 3 | Khmelnytska | 38 | 37 | 1 | 2.63 % |
| 4 | Kyivska | 113 | 94 | 19 | 16.81 % |
| 5 | Kirovohradska | 52 | 39 | 13 | 25.00 % |
| 6 | Luhanska | 20 | 16 | 4 | 20.00 % |
| 7 | Odeska | 1 | 1 | - | - |
| 8 | Poltavska | 6 | 4 | 2 | 33.33 % |
| 9 | Rivnenska | 11 | 11 | - | - |
| 10 | Sumska | 2 | 2 | - | - |
| 11 | Vinnytska | 2 | 2 | - | - |
| 12 | Volynska | 10 | 10 | - | - |
| 13 | Zaporizka | 6 | 1 | 5 | 83.33 % |
| 14 | Zhytomyrska | 2 | 2 | - | - |
| Total | 295 | 246 | 49 | 16.61 % |