OIE: Highly pathogenic avian influenza, China (People´s Rep. of)
Information received on 20/06/2008 from Dr Zhang Zhongqiu, Deputy Director General , China Animal Disease Control Centre, Veterinary Bureau, Beijing, China (People´s Rep. of)
Summary
| Report type |
Immediate notification |
| Start date |
13/06/2008 |
| Date of first confirmation of the event |
17/06/2008 |
| Report date |
20/06/2008 |
| Date submitted to OIE |
20/06/2008 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
03/2008 |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Clinical, Laboratory (advanced), Necropsy |
| This event pertains to |
the whole country |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak Location and Affected population |
- GUANGDONG (Ya Shan, Jiang´men) : ducks
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
21000 |
3873 |
3873 |
17127 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
18.44% |
18.44% |
100.00% |
100.00% |
* Removed from the susceptible population through death, destruction and/or slaughter |
Epidemiology
| Source of the outbreak(s) or origin of infection |
|
Control measures
| Measures applied |
- Stamping out
- Quarantine
- Movement control inside the country
- Screening
- Zoning
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- No vaccination
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (national reference laboratory for avian influenza) (National laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
|
17/06/2008 |
Positive |
| Birds |
haemagglutination inhibition test (HIT) |
17/06/2008 |
Positive |
| Birds |
intravenous pathogenicity index (IVPI) test |
17/06/2008 |
Positive | |
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |