| Information received on 16/04/2013 from Dr Zhang Zhongqiu, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People´s Rep. of) | |
|
Summary
|
|
|
| Outbreak 1 |
Zhebei live bird market, Huzhou, ZHEJIANG |
| Date of start of the outbreak |
16/04/2013 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
|
1 |
0 |
|
0 | |
| Affected population |
1 sample from chicken | |
| Outbreak 2 |
Qinhuai, Qinhuai, Nanjing, JIANGSU |
| Date of start of the outbreak |
16/04/2013 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
|
1 |
0 |
|
0 | |
| Affected population |
1 sample from wild pigeon | |
| Outbreak 3 |
Daoxiang live bird market, Huzhou, ZHEJIANG |
| Date of start of the outbreak |
16/04/2013 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
|
3 |
0 |
|
0 | |
| Affected population |
3 samples from chicken | |
| Summary of outbreaks |
Total outbreaks: 3 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Birds |
|
5 |
0 |
|
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
** |
** |
0.00% |
** | |
| *Removed from the susceptible population through death, destruction and/or slaughter |
| **Not calculated because of missing information | |
|
Epidemiology
| Source of the outbreak(s) or origin of infection |
|
| Epidemiological comments |
Gene sequencing shows that it is Low pathogenic avian influenza virus (LPAI) | |
|
|
Control measures
| Measures applied |
- Control of wildlife reservoirs
- 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 |
Species |
Test |
Test date |
Result |
| Harbin Veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) |
Birds |
gene sequencing |
16/04/2013 |
Positive |
| Harbin Veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) |
Birds |
haemagglutination inhibition test (HIT) |
16/04/2013 |
Positive |
| Harbin Veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) |
Birds |
pathogen isolation by egg inoculation |
16/04/2013 |
Positive |
| Harbin Veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) |
Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
16/04/2013 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
