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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, ...

25 Jan 2017

Highly pathogenic #avian #influenza #H5N6, #Japan [a #poultry #outbreak] (#OIE, Jan. 25 ‘17)


Title: Highly pathogenic #avian #influenza #H5N6, #Japan [a #poultry #outbreak].

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

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N6, Japan

Information received on 25/01/2017 from Dr Kazuo Ito, Director, International Animal Health Affairs Office, Animal Health Division, Food Safety and Consumer Affairs Bureau, Ministry of Agriculture, Forestry and Fisheries, Tokyo, Japan

  • Summary
    • Report type    Follow-up report No. 6
    • Date of start of the event    28/11/2016
    • Date of confirmation of the event    28/11/2016
    • Report date    25/01/2017
    • Date submitted to OIE    25/01/2017
    • Reason for notification    Reoccurrence of a listed disease
    • Date of previous occurrence    17/02/2015
    • Manifestation of disease    Clinical disease
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N6
    • Nature of diagnosis    Clinical, Laboratory (basic)
    • This event pertains to    the whole country
  • Summary of outbreaks   
    • Total outbreaks: 1
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 168400    - 150    - 150        - … – 0
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - 0.09%    - 0.09%    - 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   
    • Outbreak 7 (Kumamoto, Nankan-machi) – follow up information of the previous reports
      • On 19 January 2017, the movement restriction was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 28 December 2016.
    • Outbreak 8 (Gifu, Yamagata-shi) – follow up information of the previous reports
      • On 17 January 2017, destruction of all the susceptible birds in the affected farm and control measures including disinfection of the affected premises were completed.
    • Outbreak 9 (Miyazaki, Kijo-cho) – this report
      • On 24 January 2017, the local veterinary service in Miyazaki Prefecture received a notification from a domestic broilers farm on an increase in the number of dead birds (150 birds on the same day).
      • The samples were sent to the laboratory of local veterinary service (Miyazaki Livestock Hygiene Service Centre) and the samples from dead birds were confirmed to be influenza A virus positive by antigen-capture kits and to be subtype H5 by RT-PCR in Miyazaki Livestock Hygiene Service Centre.
      • Destruction of all the susceptible birds in the affected farm is being implemented.
      • Movement and shipment restrictions are imposed on the farms within a radius of 3km and 3-10 km of the affected farm, respectively.

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

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