OIE: Highly pathogenic avian influenza, Chinese Taipei

Information received on 29/11/2019 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. 154
Date of start of the event
07/01/2015
Date of confirmation of the event
11/01/2015
Report date
29/11/2019
Date submitted to OIE
29/11/2019
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
Outbreak 1 (2019-tp-17)
Wanhua District, Taipei City
Date of start of the outbreak
13/11/2019
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Slaughterhouse
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
11
1
0
11
0
Affected population
Native Chickens (2019-tp-17)
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
11
1
0
11
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
9.09%
0.00%
0.00%
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
Suspected signs were observed in poultry carcasses during post-mortem inspection in one abattoir in Taipei City. Samples were sent to the AHRI for diagnosis. H5N2 subtype HPAI was confirmed by the AHRI. The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoir. After tracing back to the farm of origin, any positive results will be included in follow-up reports.

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
15/11/2019
Positive
Animal Health Research Institute (AHRI) (National laboratory)
Birds
reverse transcription - polymerase chain reaction (RT-PCR)
14/11/2019
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.