Table 4 HI results of the serological screening of 561 specimen with three different viruses
| Â | A/Huizhou/1/2013 | A/chicken/Jiangsu/SC537/2013 (H7N9) | A/environment/Guangdong/25/2013 |
|---|---|---|---|
Individuals in contact with infected person | 1 | 0 | 3 |
Individuals exposed to infected poultry | 0 | 0 | 0 |
Individuals exposure to contaminated environment | 0 | 7 | 0 |
HI titer of serum from infected patient | 1:80 | 1:160 | 1:80 |
HI titer of positive control | 1:80 | 1:40 | 1:160 |