Information received on 14/10/2019 from Dr Wen-Jane Tu, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture, Executive Yuan, Taipei, Chinese Taipei
Summary
Report type
Follow-up report No. 150
Date of start of the event
07/01/2015
Date of confirmation of the event
11/01/2015
Report date
14/10/2019
Date submitted to OIE
14/10/2019
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
23/07/2014
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N2
Nature of diagnosis
Clinical, Laboratory (advanced)
This event pertains to
the whole country
New outbreaks (1)

Outbreak 1 (2019-yl-40)
Taixi Township, Yunlin County
Date of start of the outbreak
28/09/2019
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
35336
991
991
34345
0
Affected population
Native Chickens(2019-yl-40)
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
35336
991
991
34345
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
2.80%
2.80%
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
Unknown or inconclusive
Epidemiological comments
Samples from Yunlin County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. Highly pathogenic avian influenza H5N2 subtype was confirmed by AHRI. The infected farm has been placed under movement restriction. All animals on the infected farm have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farm are under intensified surveillance for three months.

Control measures
Measures applied
Movement control inside the country
Disinfection / Disinfestation
Screening
Traceability
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
No other measures
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Animal Health Research Institute (AHRI) (National laboratory)
Birds
gene sequencing
03/10/2019
Positive
Animal Health Research Institute (AHRI) (National laboratory)
Birds
reverse transcription - polymerase chain reaction (RT-PCR)
02/10/2019
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.