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#Analysis of recent #scientific #information on #avian #influenza A(#H7N9) virus - 10 February 2017 (@WHO, edited)

  Title : #Analysis of recent #scientific #information on #avian #influenza A(#H7N9) virus - 10 February 2017. Subject : Avian Influenza, ...

16 Dec 2016

Highly pathogenic #avian #influenza #H5N8, #France [six #poultry #outbreaks] (#OIE, Dec. 16 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #France [six #poultry #outbreaks].

Subject: Avian Influenza, H5N8 subtype, poultry epizootics in France.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N8, France

Information received on 15/12/2016 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l'alimentation, Ministère de l'Agriculture, de l'Agroalimentaire et de la Forêt, Paris, France

  • Summary
    • Report type Follow-up report No. 6
    • Date of start of the event 25/11/2016
    • Date of confirmation of the event 01/12/2016
    • Report date 15/12/2016
    • Date submitted to OIE 15/12/2016
    • Reason for notification New strain of a listed disease
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N8
    • Nature of diagnosis Clinical, Laboratory (advanced)
    • This event pertains to a defined zone within the country
    • Related reports
      • Immediate notification (02/12/2016) / Follow-up report No. 1 (02/12/2016) / Follow-up report No. 2 (05/12/2016) / Follow-up report No. 3 (08/12/2016) / Follow-up report No. 4 (09/12/2016) / Follow-up report No. 5 (12/12/2016) / Follow-up report No. 6 (15/12/2016)
  • New outbreaks (6)
    • Outbreak 1 (22) - Caupenne d''''Armagnac, Caupenne d''''Armagnac, GERS
      • Date of start of the outbreak 10/12/2016
      • Outbreak status Resolved (13/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 19000 – … – … – 19000 – 0
          • Affected population: Samples taken in the framework of a clinical suspicion (nervous symptoms and mortality) in a farm with 19,000 ducks, that were destroyed on December 13th.
    • Outbreak 2 (23) - Eauze, Eauze, GERS
      • Date of start of the outbreak 11/12/2016
      • Outbreak status Resolved (12/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 900 – 100 – 100 – 800 – 0
          • Affected population: Samples taken in the framework of a clinical suspicion (nervous symptoms and mortality) in a farm with 900 ducks. The animals were destroyed on December 12th, 2016.
    • Outbreak 3 (20) - Segos, Segos, GERS
      • Date of start of the outbreak 11/12/2016
      • Outbreak status Resolved (14/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 11800 – … – … – 11800 – 0
          • Affected population: Samples taken in the framework of a clinical suspicion following the identification of nervous symptoms and mortality in a multi-species farm with 8,800 hens and 3,000 ducks. The animals were destroyed on December 14th, 2016.
    • Outbreak 4 (21) - Avéron-Bergelle, Avéron-Bergelle, GERS
      • Date of start of the outbreak 11/12/2016
      • Outbreak status Resolved (12/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 800 – 72 – 72 – 728 – 0
          • Affected population: Samples taken in the framework of a clinical suspicion (nervous symptoms and mortality) in a farm with 800 ducks.
    • Outbreak 5 (24) - Eugénie les Bains, Eugénie-les-Bains, LANDES
      • Date of start of the outbreak 12/12/2016
      • Outbreak status Resolved (13/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 950 – 114 – … 836 – 0
          • Affected population: Samples taken in the framework of a clinical suspicion (lameness and mortality) in a farm with 950 ducks.
    • Outbreak 6 (25) - Espoey, Espoey, PYRÉNÉES-ATLANTIQUES
      • Date of start of the outbreak 12/12/2016
      • Outbreak status Resolved (13/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – … – … – … – … – …
          • Affected population: Samples taken towards leaving the surveillance zone for slaughtering. The ducks will be slaughtered on December 16th, 2016.
    • Summary of outbreaks
      • Total outbreaks: 6
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds – 33450 - 172 ** – 286 – 33164 – 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds – ** – ** – ** – **
            • *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
    • A 3-km protection zone and a 10-km surveillance zone were implemented around the affected farms.
    • Epidemiological links are being investigated.
  • Control measures
    • Measures applied
      • Screening
      • Disinfection / Disinfestation
      • Traceability
      • Surveillance outside containment and/or protection zone
      • Stamping out
      • Official disposal of carcasses, by-products and waste
      • 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
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - nucleotide sequencing - 11/12/2016 – Positive
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - nucleotide sequencing - 14/12/2016 – Positive
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 11/12/2016 – Positive
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 14/12/2016 – Positive
  • Future Reporting
    • The event is continuing. Weekly follow-up reports will be submitted.

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Keywords: OIE; Updates; H5N8; Avian Influenza; Poultry; France.

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