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Bhutan - 1 new outbreak of highly pathogenic avian influenza H5N1 in birds in farm, Samtse district (OIE, March 23, 2018)

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  • Bhutan - 1 new outbreak of highly pathogenic avian influenza H5N1 in birds in farm, Samtse district (OIE, March 23, 2018)

    Highly pathogenic avian influenza,
    Bhutan
    Information received on 23/03/2018 from Dr Tashi Samdup, Director General, Department of Livestock, Ministry of Agriculture and Forests, Thimphu, Bhutan
    Summary
    Report type Follow-up report No. 1
    Date of start of the event 06/03/2018
    Date of confirmation of the event 11/03/2018
    Report date 23/03/2018
    Date submitted to OIE 23/03/2018
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 16/10/2016
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N1
    Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
    This event pertains to a defined zone within the country
    Related reports Immediate notification (13/03/2018)
    Follow-up report No. 1 (23/03/2018)
    New outbreaks (1)
    Outbreak 1 Kalapani, Kalapani, Phuntshopelri, Samtse
    Date of start of the outbreak 16/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 617 323 323 294 0
    Affected population The affected population consisted of improved and local birds reared together in a farm at Kalapani village which is located close to the Indo-Bhutan border in Samtse district.
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 617 323 323 294 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 52.35% 52.35% 100.00% 100.00%
    *Removed from the susceptible population through death, destruction and/or slaughter
    Epidemiology
    Source of the outbreak(s) or origin of infection
    • Illegal movement of animals
    Epidemiological comments The source of the outbreak is not known. Detailed epidemiological investigation is underway.
    Control measures
    Measures applied
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Official destruction of animal products
    • Official disposal of carcasses, by-products and waste
    • Stamping out
    • Disinfection
    • Ante and post-mortem inspections
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • Quarantine
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    National Centre for Animal Health (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 19/03/2018 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=26264
    "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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