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#Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016 (@WHO)

  Title : #Assessment of #risk associated with #influenza A(#H5N8) virus, 17 November 2016. Subject : Avian Influenza, H5N8 subtype, multi...

25 Nov 2016

Highly pathogenic #avian #influenza #H5, #Sweden [#poultry #outbreak] (#OIE, Nov. 25 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5, #Sweden [#poultry #outbreak].

Subject: Avian Influenza; H5 subtype, poultry epizootic in Sweden.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5, Sweden

Information received on 24/11/2016 from Dr Ingrid Eilertz, Chief Veterinary Officer Director and Head, Swedish Board of Agriculture Department for Animal Welfare and Health, Ministry for Rural Affairs, Jönköping, Sweden

  • Summary
    • Report type Immediate notification
    • Date of start of the event 21/11/2016
    • Date of confirmation of the event 23/11/2016
    • Report date 24/11/2016
    • Date submitted to OIE 24/11/2016
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 05/03/2015
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to a defined zone within the country
  • New outbreaks (1)
    • Outbreak 1 - Helsingborg, Mörarp, Helsingborg, SKÅNE LÄN
      • Date of start of the outbreak 21/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 153000 – 37000 – 435 – 0 – 0
          • Affected population: This is a farm with laying hens. From 21 November the animal keeper noticed an increased mortality, sick hens and hens with symptoms from the nervous system.
    • Summary of outbreaks
      • Total outbreaks: 1
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds – 153000 – 37000 – 435 – 0 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - 24.18% - 0.28% - 1.18% - 0.28%
            • *Removed from the susceptible population through death, destruction and/or slaughter
  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive
  • Epidemiological comments
    • A protection zone (3 km) and a surveillance zone (10 km) have been put in place around the infected farm and the euthanizing of animals has started.
    • All other restrictions and necessary measures according to Directive 2005/94/EG are applied, including a prohibition of transportation of live birds, hatching eggs and not heat-treated poultry products in this area.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Traceability
      • Surveillance outside containment and/or protection zone
      • Stamping out
      • Surveillance within containment and/or protection zone
      • Zoning
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • Disinfection / Disinfestation
      • Official destruction of animal products
      • Official disposal of carcasses, by-products and waste
  • Diagnostic test results
    • Laboratory name and type – Species – Test - Test date – Result
      • National Veterinary Institute (National laboratory) – Birds - real-time PCR - 23/11/2016 – Positive
      • National Veterinary Institute (National laboratory) – Birds - virus sequencing - 23/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5; Avian Influenza; Poultry; Sweden.

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