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2021-1-27 8:24:39

OIE: Highly pathogenic avian influenza (H5N5), Chinese Taipei
submited by kickingbird at Sep, 29, 2020 17:55 PM from OIE

Information received on 29/09/2020 from Dr Wen-Jane Tu, Chief Veterinary Officer, Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture, Executive Yuan, Taipei, Chinese Taipei
Report type Follow-up report No. 24
Date of start of the event 09/09/2019
Date of confirmation of the event 13/09/2019
Report date 29/09/2020
Date submitted to OIE 29/09/2020
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic avian influenza virus
Serotype H5N5
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (23/09/2019)
Follow-up report No. 1 (14/10/2019)
Follow-up report No. 2 (22/11/2019)
Follow-up report No. 3 (03/01/2020)
Follow-up report No. 4 (06/01/2020)
Follow-up report No. 5 (13/01/2020)
Follow-up report No. 6 (22/01/2020)
Follow-up report No. 7 (10/02/2020)
Follow-up report No. 8 (20/02/2020)
Follow-up report No. 9 (03/03/2020)
Follow-up report No. 10 (10/03/2020)
Follow-up report No. 11 (27/03/2020)
Follow-up report No. 12 (07/04/2020)
Follow-up report No. 13 (21/04/2020)
Follow-up report No. 14 (11/05/2020)
Follow-up report No. 15 (18/05/2020)
Follow-up report No. 16 (01/06/2020)
Follow-up report No. 17 (30/06/2020)
Follow-up report No. 18 (10/08/2020)
Follow-up report No. 19 (17/08/2020)
Follow-up report No. 20 (21/08/2020)
Follow-up report No. 21 (31/08/2020)
Follow-up report No. 22 (07/09/2020)
Follow-up report No. 23 (21/09/2020)
Follow-up report No. 24 (29/09/2020)
New outbreaks (1)
Outbreak 1 (2020-ntpc-1) Taishan District, New Taipei City
Date of start of the outbreak 12/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Slaughterhouse
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1 1 0 1 0
Affected population Native chickens(2020-ntpc-1)
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1 1 0 1 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 0.00% 0.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
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 the abattoir in New Taipei City. Samples were sent to the AHRI for diagnosis. H5N5 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
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Quarantine
  • Stamping out
  • Zoning
  • Disinfection
  • 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 14/09/2020 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 13/09/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
See Also: Latest news in those days:

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