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

1 Mar 2017

Highly pathogenic #avian #influenza #H5N6, #Taiwan [eight #poultry #outbreaks] (#OIE, Mar. 1 ‘17)

Title: Highly pathogenic #avian #influenza #H5N6, #Taiwan [eight #poultry #outbreaks].

Subject: Avian Influenza, H5N6 subtype, poultry epizootics in Taiwan.

Source: OIE, full page: (LINK).

Code: [     ]


Highly pathogenic avian influenza H5N6, Chinese Taipei

Information received on 01/03/2017 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. 1
    • Date of start of the event    02/02/2017
    • Date of confirmation of the event    05/02/2017
    • Report date    01/03/2017
    • Date submitted to OIE    01/03/2017
    • Reason for notification    New strain of a listed disease in the country
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N6
    • Nature of diagnosis    Laboratory (advanced)
    • This event pertains to    the whole country
  • Summary of outbreaks   
    • Total outbreaks: 8
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 12410    - 173 **    - 4073    - 8337    - 0
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - **    - 32.82%    - **    - 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   
    • 1.Abnormal mortality was observed in 8 poultry farms in Yunlin County, Tainan City, Yilan County, and Chiayi County.
      • Samples were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis.
      • Highly pathogenic avian influenza H5N6 subtype was confirmed by the AHRI.
      • The farms have been placed under movement restriction.
      • All animals on the infected farms have been culled.
      • Thorough cleaning and disinfection have been conducted after stamping out operation.
    • 2.In order to prevent the H5N6 HPAI virus from spreading, intensified surveillance measures have been conducted by veterinary authority.
      • All the duck farms within 5-kilometer radius of the infected farm shall be subjected to movement restriction and avian influenza test.
      • The restriction could be released if the result is negative.
      • In addition, all the poultry farms within 1-kilometer radius of the infected farm shall be subjected to movement restriction and avian influenza test for once a month for 3 months.
      • The restriction could be released if the result of first test is negative.
      • Despite of the abovementioned measures, all poultry farms within a 3-kilometer radius of the infected farms are under monitoring for three months.




Keywords: OIE; Updates; Avian Influenza; H5N6 ; Poultry; Taiwan.