OIE: Influenza A Virus, China (People´s Rep. of)
Information received on 17/12/2009 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 (Final report) |
| Start date |
28/10/2009 |
| Date of first confirmation of the event |
19/11/2009 |
| Report date |
11/12/2009 |
| Date submitted to OIE |
17/12/2009 |
| Date event resolved |
25/11/2009 |
| Reason for notification |
Emerging disease |
| Morbidity |
4 scale05 |
| Mortality |
0 scale05 |
| Zoonotic impact |
No |
| Causal agent |
Influenza A/H1N1 virus |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 2 |
| Location(s) |
- BEIJING (Animal Hospital of China Agriculture University)
- HEILONGJIANG (Shuangcheng slaughterhouse)
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
| Dogs |
52 |
2 |
0 |
0 |
0 |
| Swine |
60 |
4 |
0 |
0 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Dogs |
3.85% |
0.00% |
0.00% |
0.00% |
| Swine |
6.67% |
0.00% |
0.00% |
0.00% |
* Removed from the susceptible population through death, destruction and/or slaughter |
Epidemiology
| Source of the outbreak(s) or origin of infection |
|
| Epidemiological comments |
All viruses were found during routine surveillance or inspection according to the guidelines of Ministry of Agriculture and no other A/H1N1 outbreaks were found after surveillance of 25,075 animal samples in total by now. |
Control measures
| Measures applied |
- No vaccination
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Animal Hospital of China Agriculture University (Local laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Dogs |
real-time PCR |
25/11/2009 |
Positive |
| Dogs |
virus isolation |
25/11/2009 |
Positive | |
| Laboratory name and type |
Harbin Veterinary Research Institute (OIE’s Reference Laboratory) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Swine |
real-time PCR |
19/11/2009 |
Positive |
| Swine |
virus isolation |
19/11/2009 |
Positive | |
Future Reporting
| The event is resolved. No more reports will be submitted. |