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China: An outbreak of highly pathogenic avian influenza H7N9 in poultry in Hongdong County, Linfen City, Shanxi Province

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  • China: An outbreak of highly pathogenic avian influenza H7N9 in poultry in Hongdong County, Linfen City, Shanxi Province



    Source (MoA):
    http://www.syj.moa.gov.cn/dwybfk/201804/t20180404_6139672.htm


    <<Mechanical. T.>>

    China: An outbreak of H7N9 flu in poultry in Hongdong County, Linfen City, Shanxi Province

    On March 27th, a breeder raised by a farmer in Hongdong County, Linyi City, Shanxi Province experienced suspected bird flu symptoms, with 812 cases and 699 deaths. On March 31st, the Shanxi Animal Disease Control and Prevention Center was diagnosed as suspected of the bird flu epidemic. On April 4, the national bird flu reference laboratory confirmed the epidemic was the H7N9 flu epidemic.
    After the outbreak of the epidemic, the local authorities did a good job of handling the epidemic in accordance with relevant preplans and technical requirements for prevention and control, and culled and detoxified 6,374 poultry. At present, the epidemic has been effectively controlled.
    Last edited by sharon sanders; April 5th, 2018, 10:48 AM. Reason: edit

  • #2
    Highly pathogenic avian influenza,
    China (People's Rep. of)
    Information received on 05/04/2018 from Dr Zhang Zhongqui, Director General , China Animal Disease Control Centre, Veterinary Bureau, Ministry of Agriculture, Beijing, China (People's Rep. of)
    Summary
    Report type Follow-up report No. 1
    Date of start of the event 17/02/2018
    Date of confirmation of the event 05/03/2018
    Report date 05/04/2018
    Date submitted to OIE 05/04/2018
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 25/08/2017
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H7N9
    Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (05/03/2018)
    Follow-up report No. 1 (05/04/2018)
    New outbreaks (1)
    Outbreak 1 Linfen, Hongtong, Shanxi
    Date of start of the outbreak 27/03/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Backyard
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 6374 812 699 5675 0
    Affected population Layers
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 6374 812 699 5675 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 12.74% 10.97% 86.08% 100.00%
    *Removed from the susceptible population through death, destruction and/or slaughter
    Epidemiology
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Control measures
    Measures applied
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Screening
    • Quarantine
    • Official destruction of animal products
    • Official disposal of carcasses, by-products and waste
    • Stamping out
    • Disinfection
    • Vaccination permitted (if a vaccine exists)
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Harbin national avian influenza reference laboratory (OIE Reference Laboratory) Birds virus isolation 04/04/2018 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    http://www.oie.int/wahis_2/public/wa...reportid=26385
    "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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