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

20 Dec 2016

Highly pathogenic #avian #influenza #H5N8, #France [seven #poultry #outbreaks] (#OIE, Dec. 20 ‘16)

 

Title: Highly pathogenic #avian #influenza #H5N8, #France [seven #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 19/12/2016 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. 8
    • Date of start of the event 25/11/2016
    • Date of confirmation of the event 01/12/2016
    • Report date 19/12/2016
    • Date submitted to OIE 19/12/2016
    • 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) / Follow-up report No. 7 (16/12/2016) / Follow-up report No. 8 (19/12/2016)
  • New outbreaks (7)
    • Outbreak 1 (34) - MONBAHUS, MONBAHUS, LOT-ET-GARONNE
      • Date of start of the outbreak 02/12/2016
      • Outbreak status Resolved (02/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 2000 – … – … – 2000 – 0
          • Affected population: The ducks from the farm epidemiologically linked with the primary outbreak in Monbahus were destroyed on December 2nd, 2016.
    • Outbreak 2 (28) - TAYRAC, TAYRAC, AVEYRON
      • Date of start of the outbreak 10/12/2016
      • Outbreak status Resolved (11/12/2016)
      • Epidemiological unit Backyard
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 20 – … – … – 20 – 0
          • Affected population: Mortality episode in a backyard (hens and ducks) epidemiologically linked to the Tayrac outbreak. All animals were destroyed on 11 December 2016.
    • Outbreak 3 (29) - Lussagnet, Lussagnet, LANDES
      • Date of start of the outbreak 13/12/2016
      • Outbreak status Resolved (15/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 9600 – 672 – 672 – 8928 – 0
          • Affected population: Mortality episode in a duck farm epidemiologically linked to the Eugénie les Bains outbreak.
    • Outbreak 4 (30) - Saint-Médard, Saint-Médard, GERS
      • Date of start of the outbreak 14/12/2016
      • Outbreak status Resolved (16/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 2000 – … – 0 – 2000 – 0
          • Affected population: Samples taken during analytical surveillance; outbreak linked to the one in Averon Bergerelle.
    • Outbreak 5 (32) - MONBAHUS, MONBAHUS, LOT-ET-GARONNE
      • Date of start of the outbreak 14/12/2016
      • Outbreak status Resolved (19/12/2016)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 4400 – 13 – 13 – 4387 – 0
          • Affected population: Outbreak confirmed on December 18th, 2016 in a duck farm in the protection zone of a previous outbreak. The animals were destroyed on 19 December 2016.
    • Outbreak 6 (31) - Laujuzan, Laujuzan, GERS
      • Date of start of the outbreak 15/12/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 7000 – … – … – … – …
          • Affected population: Samples taken within the framework of a clinical suspicion in a farm of 7,000 ducks
    • Outbreak 7 (33) - CAZERES SUR L''''ADOUR, CAZERES SUR L''''ADOUR, LANDES
      • Date of start of the outbreak 16/12/2016
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Farm
      • Affected animals: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
        • Birds – 1800 – … – … – … – ..
          • Affected population: Samples taken during analytical surveillance; outbreak linked to the one in Tarn.
    • Summary of outbreaks
      • Total outbreaks: 7
        • Total animals affected: Species – Susceptible – Cases – Deaths – Destroyed – Slaughtered
          • Birds – 26820 - 685 ** – 685 – 17335 – 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 - nucleotide sequencing - 15/12/2016 – 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
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 15/12/2016 – Positive
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - nucleotide sequencing - 04/12/2016 – Positive
      • ANSES Reference National Laboratory for Avian Influenza, Ploufragan (National laboratory) – Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 04/12/2016 – 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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