Table 2.
Results of IgG ELISA for West Nile Virus (WNV) and PRNT using WNV and Japanese Encephalitis Virus (JEV) in 2681 Poultry Serum Samples Collected During Sentinel Surveillance, 2004–2009
| Locality | No. of tested poultry serum samples | No. of positives determined by WNV IgG ELISA (%) | No. of positives confirmed by PRNT90 titer against WNV and JEV, respectively | Interpretation |
|---|---|---|---|---|
| Gangwon | 162 | 5 (3.1) | 5 | JEV |
| Gyeonggi | 448 | 27 (6.0) | 18 | JEV |
| 9 | Flavivirus | |||
| Jeonbuk | 284 | 18 (6.3) | 17 | JEV |
| 1 | Flavivirus | |||
| Jeonnam | 412 | 13 (3.2) | 13 | JEV |
| Chungbuk | 497 | 37 (7.4) | 34 | JEV |
| 3 | Flavivirus | |||
| Chungnam | 377 | 21 (5.6) | 21 | JEV |
| Gyeongbuk | 166 | 1 (0.6) | 1 | JEV |
| Gyeongnam | 112 | 0 (0.0) | 0 | |
| Jeju Island | 223 | 17 (7.6) | 16 | JEV |
| 1 | Flavivirus | |||
| Total | 2,681 | 139 (5.2) |
IgG ELISA, immunoglobulin G enzyme-linked immunosorbent assay; PRNT90, ≥90% reduction in the number of plaques induced by virus.