OIE: Equine influenza, China (People´s Republic)
Information received on 05/11/2007 from Mr Jia Youling, National Chief Veterinary Officer, Veterinary Bureau, Director General, BEIJING, China (People´s Rep. of)
Summary
| Report type |
Immediate notification |
| Start date |
09/10/2007 |
| Date of confirmation of event |
30/10/2007 |
| Report date |
05/11/2007 |
| Date submitted to OIE |
05/11/2007 |
| Reason for notification |
Reoccurrence of a listed disease |
| Date of previous occurrence |
1994 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Equine influenza virus A subtype H3N8 |
| Nature of diagnosis |
Clinical, Laboratory (advanced) |
| Report pertains to |
Entire country |
New outbreaks
| Outbreak 1 |
Altay, XINJIANG |
| Date of start of outbreak |
09/10/2007 |
| Outbreak status |
Continuing (or date resolved not submitted) |
| Epidemiological unit |
Village |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Equidae |
130000 |
5515 |
0 |
0 |
0 | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
| Equidae |
4.24% |
0.00% |
0.00% |
0.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
| Source of infection |
|
| Epidemiological comments |
Note by the OIE´s Animal Health Information Department: Information was not provided outbreak by outbreak. Figures indicate the total number of susceptible animals and cases in seven counties, namely Altay, Burqin, Fuhai, Fuyun, Habahe, Jemnay and Qinghe. |
Control measures
| Measures already applied |
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Quarantine
- Zoning
- Vaccination permitted
- 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 laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Equidae |
haemagglutination inhibition test (HIT) |
30/10/2007 |
Positive |
| Equidae |
reverse transcription – polymerase chain reaction (RT-PCR) |
30/10/2007 |
Positive |
| Equidae |
virus isolation |
30/10/2007 |
Positive | |
Map of outbreak locations
| Location of current outbreaks |
|