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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...

17 Nov 2016

Highly pathogenic #avian #influenza #H5N8, #Denmark [five #wildbirds #epizootics] (#OIE, Nov. 17 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #Denmark [five #wildbirds #epizootics].

Subject: Avian Influenza, H5N8 subtype, epizootics in wild birds, Denmark.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, Denmark

Information received on 17/11/2016 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Food, Agriculture and Fisheries, Glostrup, Denmark

  • Summary
    • Report type Follow-up report No. 1
    • Date of start of the event 08/11/2016
    • Date of confirmation of the event 10/11/2016
    • Report date 17/11/2016
    • Date submitted to OIE 17/11/2016
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 2006
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N8
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to the whole country
    • Related reports
      • Immediate notification (11/11/2016) / Follow-up report No. 1 (17/11/2016)
  • New outbreaks (5)
    • Outbreak 1 (HPAIwb H5N8 2016/5) - Kalvehave, Vordingborg, EAST
      • Date of start of the outbreak 10/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Laridae (unidentified): Laridae (incognita)(Laridae) – … – 2 – 2 – 0 – 0
        • Affected population On November 10th, two gulls were found dead in Kalvehave harbor.
    • Outbreak 2 (HPAIwb H5N8 2016/6) - Bøjden, Faaborg-Midtfyn, EAST
      • Date of start of the outbreak 10/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Tufted Duck: Aythya fuligula (Anatidae) – … – 2 – 2 – 0 – 0
        • Affected population On November 10th, two dead tufted duck were found in a wetland area near the town Bøjden on the Island Funen.
    • Outbreak 3 (HPAIwb H5N8 2016/3) - Darup, Roskilde, EAST
      • Date of start of the outbreak 10/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Tufted Duck: Aythya fuligula (Anatidae) – … – 8 – 8 – 0 – 0
        • Affected population On November 10th, eight dead tufted ducks were found in a gravel pit near the village Darup.
    • Outbreak 4 (HPAIwb H5N8 2016/4) - Lindholm, Vordingborg, EAST
      • Date of start of the outbreak 10/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Great black-backed Gull: Larus marinus (Laridae) – … – 1  - 1 – 0 – 0
        • Mute Swan: Cygnus olor (Anatidae) – … – 1 – 1 – 0 – 0
        • Affected population On November 10th, a mute swan and a great black-backed gull were found dead on the Island Lindholm southeast of Zealand.
    • Outbreak 5 (HPAIwb H5N8 2016/7) - Høruphav, Sønderborg, WEST
      • Date of start of the outbreak 11/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Great black-backed Gull: Larus marinus (Laridae) – … – 2 – 2 – 0 – 0
        • Affected population On November 11th, two great black-backed gull were found dead in Høruphav harbor on the Island Als.
    • Summary of outbreaks
      • Total outbreaks: 5
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Laridae (unidentified): Laridae (incognita)(Laridae) – … – 2 – 2 – 0 – 0
          • Tufted Duck: Aythya fuligula (Anatidae) – … – 10 – 10 – 0 – 0
          • Great black-backed Gull: Larus marinus (Laridae) – … – 3 – 3 – 0 – 0
          • Mute Swan: Cygnus olor (Anatidae) – … – 1 – 1 – 0 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Laridae (unidentified): Laridae (incognita)(Laridae) – ** – ** - 100.00% – **
          • Tufted Duck: Aythya fuligula (Anatidae) – ** – ** - 100.00% – **
          • Great black-backed Gull: Larus marinus (Laridae) – ** – ** - 100.00% – **
          • Mute Swan: Cygnus olor (Anatidae) – ** – ** - 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
    • All shows and other gatherings of birds and poultry are prohibited. Danish Veterinary and Food Administration has ordered that it is mandatory to keep poultry indoor.
  • Control measures
    • Measures applied
      • Movement control inside the country
      • Vaccination prohibited
      • No treatment of affected animals
    • Measures to be applied
      • No other measures
  • Diagnostic test results
    • Laboratory name and type – Species – Test - Test date – Result
      • National Veterinary Institute (National laboratory) - Tufted Duck - reverse transcription - polymerase chain reaction (RT-PCR) - 11/11/2016 – Positive
      • National Veterinary Institute (National laboratory) - Tufted Duck - reverse transcription - polymerase chain reaction (RT-PCR) - 15/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5N8; Wild Birds; Denmark; Avian Influenza.

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