Volume 13, Number 5—May 2007
Dispatch
Avian Influenza (H5N1) Virus in Waterfowl and Chickens, Central China
Zhengjun Yu*1, Yunfeng Song*1, Hongbo Zhou*, Xiaojuan Xu*, Qiaoyun Hu*, Haiya Wu*, Anding Zhang*, Yanjun Zhou*, Jianfeng Chen*, Hanbing Dan*, Qingping Luo*, Xiangmin Li*, Huanchun Chen*, and Meilin Jin*
Table 2
Death rates and mean time to death (MDT) from avian influenza virus (H5N1) infections in 3 types of birds inoculated with the 7 isolates obtained in central People’s Republic of China, 2004*
| Isolate |
Chicken | Quail | Pigeon | |||
|---|---|---|---|---|---|---|
| No. deaths/no. inoculated |
MDT (days) |
No. deaths/no. inoculated |
MDT (days) |
No. deaths/no. inoculated |
MDT (days) |
|
| EWHC |
8/8 |
1 |
8/8 |
2.8 |
3/8 |
4.3 |
| CKDW |
8/8 |
1 |
8/8 |
3.4 |
2/8 |
5 |
| GOZF |
8/8 |
1.3 |
8/8 |
3.3 |
2/8 |
5 |
| CKXF |
8/8 |
1.4 |
5/8 |
4 |
0/8 |
– |
| CKJZ |
8/8 |
1.1 |
8/8 |
3.4 |
1/8 |
6 |
| CKTM |
6/8 |
4.7 |
3/8 |
6.3 |
0/8 |
– |
| DKXF | 0/8 | – | 0/8 | – | 0/8 | – |
* EWHC, A/widgeon/Hubei/EWHC/2004; CKDW, A/chicken/Hubei/327/2004; GOZF, A/goose/Hubei/ZFE/2004; CKXF, A/chicken/Hubei/XFJ/2004; CKJZ, A/chicken/Hubei/JZJ/2004; CKTM, A/chicken/Hubei/TMJ/2004; DKXF, A/duck/Hubei/XFY/2004. Dashes represent no deaths.
