Highly pathogenic avian influenza,
Chinese Taipei
Information received on 13/07/2017 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 Follow-up report No. 38
Date of start of the event 08/01/2015
Date of confirmation of the event 11/01/2015
Report date 11/07/2017
Date submitted to OIE 13/07/2017
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 H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (11/01/2015)
Follow-up report No. 1 (13/01/2015)
Follow-up report No. 2 (14/01/2015)
Follow-up report No. 3 (16/01/2015)
Follow-up report No. 4 (20/01/2015)
Follow-up report No. 5 (21/01/2015)
Follow-up report No. 6 (28/01/2015)
Follow-up report No. 7 (04/02/2015)
Follow-up report No. 8 (11/02/2015)
Follow-up report No. 9 (17/02/2015)
Follow-up report No. 10 (26/02/2015)
Follow-up report No. 11 (04/03/2015)
Follow-up report No. 12 (12/03/2015)
Follow-up report No. 13 (24/04/2015)
Follow-up report No. 14 (01/05/2015)
Follow-up report No. 15 (12/05/2015)
Follow-up report No. 16 (18/05/2015)
Follow-up report No. 17 (29/05/2015)
Follow-up report No. 18 (07/07/2015)
Follow-up report No. 19 (11/08/2015)
Follow-up report No. 20 (04/09/2015)
Follow-up report No. 21 (08/12/2015)
Follow-up report No. 22 (04/01/2016)
Follow-up report No. 23 (02/02/2016)
Follow-up report No. 24 (22/02/2016)
Follow-up report No. 25 (07/03/2016)
Follow-up report No. 26 (11/04/2016)
Follow-up report No. 27 (19/04/2016)
Follow-up report No. 28 (05/05/2016)
Follow-up report No. 29 (22/07/2016)
Follow-up report No. 30 (08/12/2016)
Follow-up report No. 31 (23/12/2016)
Follow-up report No. 32 (09/01/2017)
Follow-up report No. 33 (07/03/2017)
Follow-up report No. 34 (17/03/2017)
Follow-up report No. 35 (27/03/2017)
Follow-up report No. 36 (03/06/2017)
Follow-up report No. 37 (27/06/2017)
Follow-up report No. 38 (11/07/2017)
Follow-up report No. 39 (12/09/2017)
Follow-up report No. 40 (11/10/2017)
New outbreaks (1)
Outbreak 1 (2017-pt-14) Yanpu Township, PINGTUNG COUNTY
Date of start of the outbreak 29/06/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2732 0 2732 0
Affected population Ducks (2017-pt-14), H5N2 HPAI virus was also detected.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2732 ** 0 2732 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
  • Unknown or inconclusive
Epidemiological comments Samples 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 and H5N2 subtypes were confirmed by the AHRI. The 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 a 3 km radius of the infected farm are under intensified surveillance for 3 months.
Control measures
Measures applied
  • Movement control inside the country
  • Disinfection / Disinfestation
  • Screening
  • Quarantine
  • Stamping out
  • Zoning
  • 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 07/07/2017 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 06/07/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations