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  Title : #Avian #Influenza #H7N9 in #China: Preventing the Next #SARS. Subject : Avian Influenza, H7N9 subtype (Asian Lineage), poultry e...

23 Dec 2016

Highly pathogenic #avian #influenza #H5N8, #Taiwan [four #poultry #outbreaks] (#OIE, Dec. 23 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #Taiwan [four #poultry #outbreaks].

Subject: Avian Influenza, H5N8 subtype, poultry epizootics in Taiwan.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, Chinese Taipei

Information received on 23/12/2016 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, Ministry of Agriculture, Taipei, Chinese Taipei

  • Summary
    • Report type Follow-up report No. 31
    • Date of start of the event 08/01/2015
    • Date of confirmation of the event 11/01/2015
    • Report date 23/12/2016
    • Date submitted to OIE 23/12/2016
    • Reason for notification Reoccurrence 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)
  • New outbreaks (4)
    • Outbreak 1 (nc-2016-2) - Taishan Distict, NEW TAIPEI CITY
      • Date of start of the outbreak 24/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 207 – … – 0 – 207 – 0
          • Affected population Chickens in an abattoir (nc-2016-2)
    • Outbreak 2 (nt-2016-2) - Nantou City, NANTOU COUNTY
      • Date of start of the outbreak 27/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 2448 – … – 38  - 2410 – 0
          • Affected population Chickens in an abattoir (nt-2016-2)
    • Outbreak 3 (kc-2016-7) - Ziguan District, KAOHSIUNG CITY
      • Date of start of the outbreak 08/12/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed
        • Slaughtered – Birds – 213 – … - 0 – 213 – 0
          • Affected population Chickens in an abattoir (kh-2016-7)
    • Outbreak 4 (tp-2016-3) - Wanhua District, TAIPEI CITY
      • Date of start of the outbreak 09/12/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 61 – … – 0 – 61 – 0
          • Affected population Chickens in an abattoir (tp-2016-3)
    • Summary of outbreaks
      • Total outbreaks: 4
        • Total animals affected: Species – Susceptible  - Cases – Deaths – Destroyed – Slaughtered
          • Birds – 2929 – ** – 38 – 2891 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds – ** - 1.30% – ** - 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
    • Suspicious signs were observed in poultry carcasses during postmortem inspection in four abattoirs in New Taipei City, Nantou County, Kaohsiung City and Taipei City.
    • Samples were sent to the Animal Health Research Institute (AHRI) for analysis. Highly pathogenic avian influenza H5N8 was confirmed by the AHRI.
    • The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoirs.
    • After tracing back to the farm of origin, samples have been sent to the AHRI for diagnosis.
    • Any positive results will be included in follow-up reports.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Screening
      • Disinfection / Disinfestation
      • 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 - 26/11/2016 – Positive
      • Animal Health Research Institute (AHRI) (National laboratory) – Birds - gene sequencing - 30/11/2016 – Positive
      • Animal Health Research Institute (AHRI) (National laboratory) – Birds - gene sequencing - 11/12/2016 – Positive
      • Animal Health Research Institute (AHRI) (National laboratory) – Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 25/11/2016 – Positive
      • Animal Health Research Institute (AHRI) (National laboratory) – Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 29/11/2016 – Positive
      • Animal Health Research Institute (AHRI) (National laboratory) – Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 10/12/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5N8; Avian Influenza; Poultry; Taiwan.

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