OIE: Highly pathogenic avian influenza, Chinese Taipei
submited by kickingbird at Jan, 19, 2018 8:30 AM from OIE
| Information received on 18/01/2018 from Dr Tai-Hwa Shih, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine Council of Agriculture Executive Yuan, Ministry of Agriculture, Taipei, Chinese Taipei | |
|
Summary
|
|
|
| Outbreak 1 (2018-yl-4) |
DongshiDistrict, YUNLIN COUNTY |
| Date of start of the outbreak |
02/01/2018 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
3915 |
|
0 |
3915 |
0 | |
| Affected population |
2018-yl-4(Meat Ducks) | |
| Outbreak 2 (2018-pt-2) |
Yanpu Township, PINGTUNG COUNTY |
| Date of start of the outbreak |
08/01/2018 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Farm |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
4531 |
|
0 |
4531 |
0 | |
| Affected population |
2018-pt-2(Meat Ducks) | |
| Outbreak 3 (2018-cy-w-1) |
PuziCity, CHIAYI COUNTY |
| Date of start of the outbreak |
10/01/2018 |
| Outbreak status |
Continuing (or date resolved not provided) |
| Epidemiological unit |
Not applicable |
| Affected animals |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
1 |
1 |
1 |
0 |
0 | |
| Affected population |
2018-cy-w-1 | |
| Summary of outbreaks |
Total outbreaks: 3 |
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
8447 |
1 ** |
1 |
8446 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
** |
0.01% |
** |
100.00% | |
| *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 |
Samples from Pintung County, Yunlin County and Chiayi County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. Highly pathogenic avian influenza H5N2 subtype was confirmed by the AHRI. The infected farms have been placed under movement restriction. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within a 3 km radius of the infected farms are under intensified surveillance for three months. | |
|
|
Control measures
| Measures applied |
- Movement control inside the country
- Disinfection / Disinfestation
- Screening
- Quarantine
- Surveillance outside containment and/or protection zone
- Official destruction of animal products
- Official disposal of carcasses, by-products and waste
- Stamping out
- Surveillance within containment and/or protection zone
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
| |
|
Diagnostic test results
| Laboratory name and type |
Species |
Test |
Test date |
Result |
| Animal Health Research Institute (National laboratory) |
Birds |
gene sequencing |
13/01/2018 |
Positive |
| Animal Health Research Institute (National laboratory) |
Birds |
gene sequencing |
14/01/2018 |
Positive |
| Animal Health Research Institute (National laboratory) |
Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
12/01/2018 |
Positive |
| Animal Health Research Institute (National laboratory) |
Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
13/01/2018 |
Positive | |
|
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. | |
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