TABLE 2.
Serological survey of chicken in Taiwan as determined by HI testsa
| HI titer | TW853 (H3N8) | TW1030 (H6N8) | TW2267 (H6N1) | TW2593 (H5N2) | HK-NT155 (H9N2) |
|---|---|---|---|---|---|
| 1,280 | 0 | 0 | 5 | 0 | 7 |
| 640 | 0 | 0 | 5 | 0 | 5 |
| 320 | 0 | 0 | 9 | 0 | 21 |
| 160 | 0 | 0 | 4 | 1 | 142 |
| 80 | 0 | 0 | 6 | 53 | 321 |
| 40 | 0 | 1 | 2 | 20 | 238 |
| 20 | 0 | 2 | 7 | 12 | 133 |
| 10 | 0 | 6 | 7 | 7 | 22 |
| <10 | 894 | 885 | 849 | 801 | 5 |
a
A hemagglutination inhibition (HI) titer of ≥1:40 can be considered positive. A total of 894 sera were tested. TW853, Ck/TW/853/12; TW1030, Dk/TW/1030/12; TW2593, Ck/TW/2593/12; TW2267, Ck/TW/2267/12, HK-NT155, Ck/HK/NT155/08.