OIE: Highly pathogenic avian influenza(H5N1), China (People´s Rep. of)
submited by kickingbird at Feb, 7, 2020 12:35 PM from OIE
| Information received on 05/02/2020 from Dr Huang Baoxu, Secretary of the Party Leadership Group, Animal Health and Epidemiology Centre, Ministry of Agriculture and Rural Affairs, Qingdao, China (People´s Rep. of) | |
|
Summary
| Report type |
Immediate notification |
| Date of start of the event |
24/01/2020 |
| Date of confirmation of the event |
01/02/2020 |
| Report date |
05/02/2020 |
| Date submitted to OIE |
05/02/2020 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
05/06/2018 |
| Manifestation of disease |
Clinical disease |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N1 |
| Nature of diagnosis |
Clinical, Laboratory (basic), Laboratory (advanced) |
| This event pertains to |
a defined zone within the country | |
|
|
| Outbreak 1 |
Jilong village, Dutouqiao township, Shuangqing District, Shaoyang, Hunan |
| Date of start of the outbreak |
24/01/2020 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
7850 |
4500 |
4500 |
3350 |
0 | | |
| Summary of outbreaks |
Total outbreaks: 1 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
7850 |
4500 |
4500 |
3350 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
57.32% |
57.32% |
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 |
|
| Epidemiological comments |
A total of 17,828 animals were killed: 3,350 broilers at the epidemic site and 14,478 in the epidemic area. | |
|
|
Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Screening
- Traceability
- Quarantine
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Stamping out
- Zoning
- Disinfection
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Harbin National Avian Influenza Reference Laboratory (OIE Reference Laboratory) |
Birds |
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) |
01/02/2020 |
Positive |
| Harbin National Avian Influenza Reference Laboratory (OIE Reference Laboratory) |
Birds |
virus isolation |
01/02/2020 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
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