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#Analysis of recent #scientific #information on #avian #influenza A(#H7N9) virus - 10 February 2017 (@WHO, edited)

  Title : #Analysis of recent #scientific #information on #avian #influenza A(#H7N9) virus - 10 February 2017. Subject : Avian Influenza, ...

7 Mar 2017

Highly pathogenic #avian #influenza #H5N6, #Taiwan [three #poultry #outbreaks] (#OIE, Mar. 7 ‘17)


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

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

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N6, Chinese Taipei

Information received on 07/03/2017 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. 2
    • Date of start of the event    02/02/2017
    • Date of confirmation of the event    05/02/2017
    • Report date    07/03/2017
    • Date submitted to OIE    07/03/2017
    • 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    a defined zone within the country
  • Summary of outbreaks   
    • Total outbreaks: 3
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 19000    - **    - 0    - 19000    - 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 two poultry farms in Hualien County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis in response to the testing requirement before being put on the market.
      • 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.
    • Abnormal signs were observed in one poultry farm in Tainan City.
      • Samples were sent to 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.
    • In order to prevent the H5N6 HPAI virus from spreading, intensified surveillance measures have been conducted by the veterinary authority.
    • All the duck farms within 5-kilometer radius of the infected farms are subjected to movement restriction and avian influenza test.
    • The restriction will be lifted if the test result is negative.
    • In addition, all the poultry farms within 1-kilometer radius of the infected farms are subjected to movement restriction and avian influenza test once every month for 3 months.
    • The restriction will be lifted if the result of the first round testing is negative.
    • In addition to the abovementioned measures, all poultry farms within a 3-kilometer radius of the infected farms are under monitoring for three months.

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

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