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Switzerland - 1 new outbreak of highly pathogenic avian influenza H5N8 in swans, Valais (OIE, September 22, 2017)

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  • Switzerland - 1 new outbreak of highly pathogenic avian influenza H5N8 in swans, Valais (OIE, September 22, 2017)

    Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
    Switzerland
    Information received on 22/09/2017 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 10/08/2017
    Date of confirmation of the event 17/08/2017
    Report date 22/09/2017
    Date submitted to OIE 22/09/2017
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 22/03/2017
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic influenza A virus
    Serotype H5N8
    Nature of diagnosis Laboratory (basic), Laboratory (advanced), Necropsy
    This event pertains to the whole country
    Related reports Immediate notification (17/08/2017)
    Follow-up report No. 1 (30/08/2017)
    Follow-up report No. 2 (11/09/2017)
    Follow-up report No. 3 (22/09/2017)
    New outbreaks (1)
    Outbreak 1 (HPAI_2017_1) Lac L?man, Port-Valais, Le Bouveret, VALAIS
    Date of start of the outbreak 12/09/2017
    Outbreak status Resolved (14/09/2017)
    Epidemiological unit Not applicable
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    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
    • 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) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 14/09/2017 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    "Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
    -Nelson Mandela
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