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France - 4 new outbreaks of low pathogenic avian influenza H5N3 in birds in farms, Gers, Loire-Atlantique, Lot-et-Garonne, Finistere (OIE, March 9, 2018)

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  • France - 4 new outbreaks of low pathogenic avian influenza H5N3 in birds in farms, Gers, Loire-Atlantique, Lot-et-Garonne, Finistere (OIE, March 9, 2018)

    Low pathogenic avian influenza (poultry),
    France
    Information received on 09/03/2018 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l'alimentation, Ministère de l'Agriculture et de l'Alimentation, Paris, France
    Summary
    Report type Follow-up report No. 19
    Date of start of the event 06/12/2015
    Date of confirmation of the event 10/12/2015
    Report date 09/03/2018
    Date submitted to OIE 09/03/2018
    Reason for notification New strain of a listed disease
    Manifestation of disease Sub-clinical infection
    Causal agent Low pathogenic avian influenza virus
    Serotype H5N3
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (15/12/2015)
    Follow-up report No. 1 (22/01/2016)
    Follow-up report No. 2 (01/04/2016)
    Follow-up report No. 3 (11/08/2016)
    Follow-up report No. 4 (11/08/2016)
    Follow-up report No. 5 (15/09/2016)
    Follow-up report No. 6 (10/10/2016)
    Follow-up report No. 7 (26/12/2016)
    Follow-up report No. 8 (03/02/2017)
    Follow-up report No. 9 (03/03/2017)
    Follow-up report No. 10 (14/04/2017)
    Follow-up report No. 11 (08/06/2017)
    Follow-up report No. 12 (26/09/2017)
    Follow-up report No. 13 (04/12/2017)
    Follow-up report No. 14 (11/12/2017)
    Follow-up report No. 15 (19/01/2018)
    Follow-up report No. 16 (05/02/2018)
    Follow-up report No. 17 (09/02/2018)
    Follow-up report No. 18 (21/02/2018)
    Follow-up report No. 19 (09/03/2018)
    New outbreaks (4)
    Outbreak 1 (53) Endoufielle, Endoufielle, GERS
    Date of start of the outbreak 20/02/2018
    Outbreak status Resolved (22/02/2018)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3600 0 3600 0
    Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on February 22nd, 2018. The 3,600 ready-for-gavage birds of the farm were killed and disposed of on February 22nd, 2018.
    Outbreak 2 (54) Legé, Legé, LOIRE-ATLANTIQUE
    Date of start of the outbreak 03/03/2018
    Outbreak status Resolved (07/03/2018)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 16750 0 16750 0
    Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5Nx virus on March 8th, 2018. The 16,750 ready-for-gavage birds were killed and disposed of on March 7th, 2018.
    Outbreak 3 (55) Montauriol, Montauriol, LOT-ET-GARONNE
    Date of start of the outbreak 05/03/2018
    Outbreak status Resolved (08/03/2018)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 8160 177 7983 0
    Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on March 8th, 2018. The animals were killed and disposed of on March 8th, 2018.
    Outbreak 4 (56) Cleder, Cléder, FINISTÈRE
    Date of start of the outbreak 07/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 7500 0 0 0
    Affected population Samples taken in the framework of the screening prior to movement of web-footed birds. The national reference laboratory confirmed the presence of low pathogenic H5N3 virus on March 9th, 2018. The 7,500 ready-for-gavage birds of the farm will be killed on March 10th, 2018.
    Summary of outbreaks Total outbreaks: 4
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 36010 ** 177 28333 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds ** 0.49% ** 79.17%
    *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 The epidemiological investigation is ongoing.
    Control measures
    Measures applied
    • Movement control inside the country
    • Screening
    • Traceability
    • Stamping out
    • 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 national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds nucleotide sequencing 08/03/2018 Positive
    ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds nucleotide sequencing 09/03/2018 Positive
    ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/03/2018 Positive
    ANSES national reference laboratory for avian influenza, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 09/03/2018 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=26140

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