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

28 Dec 2016

Highly pathogenic #avian #influenza #H5N6, #Japan [a #poultry #outbreak] (#OIE, Dec. 28 ‘16)

 

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

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

Source: OIE, full page: (LINK). Excerpts.

Code: [     ]

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Highly pathogenic avian influenza H5N6, Japan

Information received on 28/12/2016 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. 3
    • Date of start of the event    28/11/2016
    • Date of confirmation of the event    28/11/2016
    • Report date    26/12/2016
    • Date submitted to OIE    28/12/2016
    • 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), Laboratory (advanced)
    • This event pertains to    the whole country
  • Summary of outbreaks   
    • Total outbreaks: 1
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 107000    - 50    - 50        - 0 – …
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - 0.05%    - 0.05%    - 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 1 (Aomori), 2 (Niigata, Sekikawa-mura) and 4 (Aomori, 2nd case) –follow up information of the previous reports
      • On 27 December 2016 the movement restriction was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 5 December 2016.
    • Outbreak 3 (Niigata, Joetsu-shi) –follow up information of the previous reports
      • On 28 December 2016, the movement restriction was lifted since 21 days had passed without any new outbreaks after control measures including stamping out had been completed on 6 December 2016.
    • Outbreak 5 (Hokkaido, Shimizu-cho) – follow up information of the previous reports
      • On 20 November 2016, the N-type was identified as N6 by NIAH.
      • On 24 December 2016, control measures including disinfection of the affected premises were completed.
    • Outbreak 6 (Miyazaki, Kawaminami-cho) – follow up information of the previous reports
      • On 21 December 2016, control measures including disinfection of the affected premises were completed.
      • On 22 November 2016, the N-type was identified as N6 by NIAH.
    • Outbreak 7 (Kumamoto) – this report
      • On 26 December 2016, the local veterinary service in Kumamoto Prefecture received a notification from a domestic hen farm on an increase in the number of dead birds (50 birds on the same day).
      • The samples were sent to the laboratory of local veterinary service (Kumamoto 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 and RRT-PCR in Kumamoto Livestock Hygiene Service Centre.
      • Destruction of all the susceptible birds in the affected farm is being implemented.
      • Movement restriction is imposed on the farms within a radius of 3km of the affected farm.
      • Shipment restriction is imposed on the farms within a radius of 3-10kmof the affected farm.
      • The N-type has not yet been identified.

(...)

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

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