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China - 1 new outbreak of highly pathogenic avian influenza H5N6 in birds on a farm in the province of Hunan (OIE, December 11, 2015)

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  • China - 1 new outbreak of highly pathogenic avian influenza H5N6 in birds on a farm in the province of Hunan (OIE, December 11, 2015)

    Highly pathogenic avian influenza,
    China (People's Rep. of)
    Information received on 11/12/2015 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. 10
    Date of start of the event 23/08/2014
    Date of confirmation of the event 01/09/2014
    Report date 11/12/2015
    Date submitted to OIE 11/12/2015
    Reason for notification Reoccurrence of a listed disease
    Date of previous occurrence 04/05/2014
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N6
    Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (01/09/2014)
    Follow-up report No. 1 (04/09/2014)
    Follow-up report No. 2 (24/10/2014)
    Follow-up report No. 3 (23/01/2015)
    Follow-up report No. 4 (28/01/2015)
    Follow-up report No. 5 (06/02/2015)
    Follow-up report No. 6 (01/04/2015)
    Follow-up report No. 7 (03/04/2015)
    Follow-up report No. 8 (25/05/2015)
    Follow-up report No. 9 (14/08/2015)
    Follow-up report No. 10 (11/12/2015)
    New outbreaks (1)
    Outbreak 1 Farm, Huaihua, HUNAN
    Date of start of the outbreak 07/12/2015
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 5814 486 381 5433 0
    Affected population Peacocks
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Destroyed Slaughtered
    Birds 5814 486 381 5433 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 8.36% 6.55% 78.40% 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
    • Screening
    • Disinfection / Disinfestation
    • Stamping out
    • Zoning
    • No vaccination
    • 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 veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 11/12/2015 Positive
    Harbin veterinary research institute, Chinese academy of agricultural sciences (OIE Reference Laboratory) Birds virus isolation 11/12/2015 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    .../

    http://www.oie.int/wahis_2/public/wa...reportid=19326
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