Highly pathogenic avian influenza,
Chinese Taipei
Information received on 11/04/2016 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, Taipei 10070, Chinese Taipei
Summary
Report type Follow-up report No. 26
Date of start of the event 08/01/2015
Date of confirmation of the event 11/01/2015
Report date 11/04/2016
Date submitted to OIE 11/04/2016
Date event resolved 11/10/2017
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)
Follow-up report No. 41 (19/01/2018)
New outbreaks (1)
Outbreak 1 (kh-2016-3) Fengshan District, Kaohsiung City
Date of start of the outbreak 15/03/2016
Outbreak status Resolved (11/10/2017)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 677 13 13 664 0
Affected population H5N2 Highly pathogenic avian influenza virus was also detected on native chickens in this abattoir (kh-2016-3)
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 677 13 13 664 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.92% 1.92% 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 Suspicious signs were observed in poultry carcasses during postmortem inspection in one abattoir in Kaohsiung City. Samples were sent to the Animal Health Research Institute (AHRI) for analysis. Highly pathogenic avian influenza H5N8 and H5N2 subtypes were confirmed by the AHRI. The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoir. Although the farm of origin was found empty, standard procedures including cleaning, disinfection and movement restriction were implemented.
Control measures
Measures applied
  • Zoning
  • Stamping out
  • Quarantine
  • Disinfection / Disinfestation
  • Screening
  • Movement control inside the country
  • 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 19/03/2016 Positive
Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 18/03/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations