OIE: Highly pathogenic avian influenza, Chinese Taipei
Information received on 06/02/2018 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
| Report type |
Immediate notification |
| Date of start of the event |
31/01/2018 |
| Date of confirmation of the event |
06/02/2018 |
| Report date |
06/02/2018 |
| Date submitted to OIE |
07/02/2018 |
| Reason for notification |
Recurrence of a listed disease |
| Date of previous occurrence |
11/10/2017 |
| Manifestation of disease |
Sub-clinical infection |
| Causal agent |
Highly pathogenic avian influenza virus |
| Serotype |
H5N8 |
| Nature of diagnosis |
Laboratory (basic), Laboratory (advanced) |
| This event pertains to |
a defined zone within the country |
New outbreaks
| Summary of outbreaks |
Total outbreaks: 1 |
| Outbreak Location |
- PINGTUNG COUNTY ( Chaozhou Township )
|
| Total animals affected |
| Species |
Susceptible |
Cases |
Deaths |
Killed and disposed of |
Slaughtered |
| Birds |
3136 |
** |
0 |
3136 |
0 | |
| Outbreak statistics |
| Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible animals lost* |
| Birds |
** |
0.00% |
** |
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 |
During active surveillance program, samples collected on Jan. 31, 2018 from one duck farm in Pingtung County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis. Highly pathogenic avian influenza H5N8 subtype was confirmed by AHRI on Feb. 06, 2018. The farm has been placed under movement restriction. All animals in this infected farm have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within a three-kilometer radius of the infected farm are under intensified surveillance for three months. |
Control measures
| Measures applied |
- Movement control inside the country
- Surveillance outside containment and/or protection zone
- Surveillance within containment and/or protection zone
- Quarantine
- Official disposal of carcasses, by-products and waste
- Stamping out
- Disinfection
- Ante and post-mortem inspections
- Vaccination prohibited
- No treatment of affected animals
|
| Measures to be applied |
|
Diagnostic test results
| Laboratory name and type |
Animal Health Research Institute ( National laboratory ) |
| Tests and results |
| Species |
Test |
Test date |
Result |
| Birds |
gene sequencing |
06/02/2018 |
Positive |
| Birds |
reverse transcription - polymerase chain reaction (RT-PCR) |
05/02/2018 |
Positive | |
Future Reporting
| The event is continuing. Weekly follow-up reports will be submitted. |