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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...

30 Nov 2016

Highly pathogenic #avian #influenza #H5N8, #Switzerland (seventeen new #outbreaks] (#OIE, Nov. 30 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #Switzerland (seventeen new #outbreaks].

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

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, Switzerland

Information received on 30/11/2016 from Mr Hans Wyss, Chief Veterinary Officer, Schwarzenburgstrasse 161, Swiss Federal Veterinary Office, LIEBEFELD BERNE, Switzerland

  • Summary
    • Report type Follow-up report No. 3
    • Date of start of the event 05/11/2016
    • Date of confirmation of the event 09/11/2016
    • Report date 29/11/2016
    • Date submitted to OIE 30/11/2016
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 02/2008
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N8
    • Nature of diagnosis Laboratory (basic), Laboratory (advanced), Necropsy
    • This event pertains to a defined zone within the country
    • Related reports
      • Immediate notification (10/11/2016) / Follow-up report No. 1 (16/11/2016) / Follow-up report No. 2 (22/11/2016) / Follow-up report No. 3 (29/11/2016)
  • New outbreaks (17)
    • Outbreak 1 (HPAI_2016_1) - Lac Léman, Lausanne, Lausanne, VAUD
      • Date of start of the outbreak 19/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 2 (HPAI_2016_1) - Lac Léman, Saint-Sulpice, Ouest lausannois, VAUD
      • Date of start of the outbreak 19/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 3 (HPAI_2016_1) - Lac Léman, Vevey, Riviera-Pays-d’Enhaut, VAUD
      • Date of start of the outbreak 19/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Herring Gull:Larus argentatus(Laridae) – … – 1 – 1 – 0 – 0
    • Outbreak 4 (HPAI_2016_1) - Lac de Neuchâtel, Chevroux, Broye-Vully, VAUD
      • Date of start of the outbreak 21/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Herring Gull:Larus argentatus(Laridae) – … – 2 – 2 – 0 – 0
        • Mute Swan:Cygnus olor(Anatidae) – … – 1 – 1 – 0 – 0
    • Outbreak 5 (HPAI_2016_1) - Lac Léman, Lausanne, Lausanne, VAUD
      • Date of start of the outbreak 21/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Common Pochard:Aythya ferina(Anatidae) – … – 1 – 1 – 0 – 0
        • Black-headed Gull:Larus ridibundus(Laridae) – … – 1 – 1 – 0 – 0
        • Tufted Duck:Aythya fuligula(Anatidae) – … – 2 – 2 – 0 – 0
    • Outbreak 6 (HPAI_2016_1) - Lac Léman, Villeneuve, Aigle, VAUD
      • Date of start of the outbreak 21/11/2016
      • 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
    • Outbreak 7 (HPAI_2016_1) - Rhein (River), Schaffhausen, Schaffhausen, SCHAFFHAUSEN
      • Date of start of the outbreak 22/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Herring Gull:Larus argentatus(Laridae) – … – 1 – 1 – 0 – 0
        • Black-headed Gull:Larus ridibundus(Laridae) – … – 1 – 1 – 0 – 0
        • Tufted Duck:Aythya fuligula(Anatidae) – … – 1 – 1 – 0 – 0
    • Outbreak 8 (HPAI_2016_1) - Rhein (River), Zweidlen, Bülach, ZURICH
      • Date of start of the outbreak 23/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Mute Swan:Cygnus olor(Anatidae) – … – 2 – 2 – 0 – 0
    • Outbreak 9 (HPAI_2016_1) - Lac Léman, Rolle, Nyon, VAUD
      • Date of start of the outbreak 23/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 10 (HPAI_2016_1) - Lac de Neuchâtel, Neuchâtel, Neuchâtel, NEUCHATEL
      • Date of start of the outbreak 23/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Great Crested Grebe:Podiceps cristatus(Podicipedidae) – … – 2 – 2 – 0 – 0
    • Outbreak 11 (HPAI_2016_1) - Lac de la Gruyère, Le Bry, Greyerz, FRIBOURG
      • Date of start of the outbreak 24/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible  - Cases – Deaths – Destroyed – Slaughtered
        • Herring Gull:Larus argentatus(Laridae) – … – 1 – 1 – 0 – 0
    • Outbreak 12 (HPAI_2016_1) - Lac Léman, Villeneuve, Aigle, VAUD
      • Date of start of the outbreak 24/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Little Grebe:Tachybaptus ruficollis(Podicipedidae) – … – 1 – 1 – 0 – 0
    • Outbreak 13 (HPAI_2016_1) - Rhein (River), Birsfelden, Arlesheim, BASEL-LANDSCHAFT
      • Date of start of the outbreak 25/11/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Not applicable
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Mallard:Anas platyrhynchos(Anatidae) – … – 1 – 1 – 0 – 0
    • Outbreak 14 (HPAI_2016_1) - Zürichsee, Wädenswil, Horgen, ZURICH
      • Date of start of the outbreak 27/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 15 (HPAI_2016_1) - Zürichsee, Männedorf, Meilen, ZURICH
      • Date of start of the outbreak 27/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 16 (HPAI_2016_1) - Lake Constance, Eschenz, Frauenfeld, THURGAU
      • Date of start of the outbreak 28/11/2016
      • 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) – … – 1 – 1 – 0 – 0
    • Outbreak 17 (HPAI_2016_1) - Lake Constance, Ermatingen, Kreuzlingen, THURGAU
      • Date of start of the outbreak 28/11/2016
      • 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) – … – 1 – 1 – … – …
    • Summary of outbreaks
      • Total outbreaks: 17
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Tufted Duck:Aythya fuligula(Anatidae) – … – 12 – 12 – 0 – 0
          • Herring Gull:Larus argentatus(Laridae) – … – 5 – 5 – 0 – 0
          • Mute Swan:Cygnus olor(Anatidae) – … – 3 – 3 – 0 – 0
          • Common Pochard:Aythya ferina(Anatidae) – … – 1 – 1 – 0 – 0
          • Black-headed Gull:Larus ridibundus(Laridae) – … – 2 – 2 – 0 – 0
          • Great Crested Grebe:Podiceps cristatus(Podicipedidae) – … – 2 – 2 – 0 – 0
          • Little Grebe:Tachybaptus ruficollis(Podicipedidae) – … – 1 – 1 – 0 – 0
          • Mallard:Anas platyrhynchos(Anatidae) – … – 1 – 1 – 0 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Tufted Duck:Aythya fuligula(Anatidae) – ** – ** - 100.00% – **
          • Herring Gull:Larus argentatus(Laridae) – ** – ** - 100.00% – **
          • Mute Swan:Cygnus olor(Anatidae) – ** – ** - 100.00% – **
          • Common Pochard:Aythya ferina(Anatidae) – ** – ** - 100.00% – **
          • Black-headed Gull:Larus ridibundus(Laridae) – ** – ** - 100.00% – **
          • Great Crested Grebe:Podiceps cristatus(Podicipedidae) – ** – ** - 100.00% – **
          • Little Grebe:Tachybaptus ruficollis(Podicipedidae) – ** – ** - 100.00% – **
          • Mallard:Anas platyrhynchos(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
      • Unknown or inconclusive
  • Control measures
    • Measures applied
      • Surveillance within containment and/or protection zone
      • Zoning
      • 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 Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Black-headed Gull - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Common Pochard - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Great Crested Grebe - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Herring Gull - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Little Grebe - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) – Mallard - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Mute Swan - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
      • National Reference Centre for Diseases of Poultry and Rabbits (NRGK) (National laboratory) - Tufted Duck - reverse transcription - polymerase chain reaction (RT-PCR) - 28/11/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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

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