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

27 Feb 2017

Highly pathogenic #avian #influenza #H5N8, #UK [a #poultry #outbreak] (#OIE, Feb. 27 ‘17)


Title: Highly pathogenic #avian #influenza #H5N8, #UK [a #poultry #outbreak].

Subject: Avian Influenza, H5N8 subtype, poultry epizootics in the UK.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, United Kingdom

Information received on 24/02/2017 from Dr Nigel Gibbens, Chief Veterinary Officer, Department for Environment, Food and Rural Affairs, Department for Environment, Food and Rural Affairs, LONDON, United Kingdom

  • Summary
    • Report type    Follow-up report No. 11
    • Date of start of the event    11/12/2016
    • Date of confirmation of the event    16/12/2016
    • Report date    24/02/2017
    • Date submitted to OIE    24/02/2017
    • Reason for notification    Reoccurrence of a listed disease
    • Date of previous occurrence    17/07/2015
    • Manifestation of disease    Clinical disease
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N8
    • Nature of diagnosis    Clinical
    • This event pertains to    a defined zone within the country
  • Summary of outbreaks   
    • Total outbreaks: 1
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 32    - **    - 20    - 12    - 0
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - **    - 62.50%    - **    - 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   
      • Contact with wild species
  • Epidemiological comments   
    • First turkey flock (Louth - start date 11/12/2016):
      • disease control programmes have been applied and primary cleansing and disinfection of the infected premises was completed on 30 December 2016.
      • Investigations conducted on contact tracings and poultry holdings in the restriction zones have uncovered no evidence of further spread.
      • All control measures set out in the immediate notification have been applied.
      • Epidemiological investigations have been completed.
      • The outbreak is resolved.
    • Second turkey flock (Louth - start date 15/01/2017):
      • disposal and culling have been completed.
      • Primary cleansing and disinfection has been completed; 3km and 10km zones have been put in place.
      • Epidemiological investigations have been completed - outbreak is resolved.
      • No trade to international partners.
    • First breeding pheasant flock (Pilling - start date 23/01/2017):
      • Culling and disposal of the birds have been completed.
      • Primary cleansing and disinfection has been completed.
      • 3km and 10km zones have been put in place.
      • Epidemiological investigations are on-going.
      • No trade to international partners.
    • Commercial flock of rearing turkeys (Boston - start date 25/01/2017):
      • Culling and disposal of the birds have been completed.
      • Primary cleansing and disinfection has been completed.
      • 3km and 10km zones have been put in place.
      • Epidemiological investigations are on-going.
      • No trade to international partners.
    • Second breeding pheasant flock (Pilling - start date 26/01/2017):
      • Pheasants in harem pens for breeding.
      • Clinical signs observed.
      • Pheasants recently moved during the high risk spread period from AIV 2017/04 Pilling site.
      • Culling and disposal have been completed.
      • Primary cleansing and disinfection has been completed.
    • Third breeding pheasant flock (Pilling - start date 29/01/2017):
      • Pheasants recently moved during the high risk spread period from AIV 2017/04 Pilling site.
      • Clinical signs were observed.
      • Different species of game birds are present at this large breeding premises.
      • Culling and disposal have been completed.
      • Primary cleansing and disinfection has been completed.
    • Commercial flock of breeding broiler chickens (Redgrave - start date 12/02/2017):
      • Birds were housed.
      • Culling and disposal and primary C&D has been completed.
    • Small backyard flock of laying hens (Haltwhistle - start date 17/02/2017):
      • birds were only partially housed.
      • Culling and disposal have been carried out on the remaining hens.
      • Primary cleansing and disinfection is underway.
    • Backyard cases in Settle and Llanelli:
      • all control measures set out in the immediate notification were applied including restriction zones.
      • Epidemiological investigations are ongoing.
      • These cases are resolved.

(...)

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Keywords: OIE; Updates; Avian Influenza; H5N8 ; Poultry; Wild Birds; UK.

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