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Taiwan - 1 new outbreak of highly pathogenic avian influenza H5N5 in poultry carcasses in slaughterhouse, Taipei City (OIE, February 10, 2020)

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  • Taiwan - 1 new outbreak of highly pathogenic avian influenza H5N5 in poultry carcasses in slaughterhouse, Taipei City (OIE, February 10, 2020)

    Highly pathogenic avian influenza,
    Chinese Taipei
    Information received on 10/02/2020 from Dr Wen-Jane Tu, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine, Council of Agriculture, Executive Yuan, Taipei, Chinese Taipei
    Summary
    Report type Follow-up report No. 7
    Date of start of the event 09/09/2019
    Date of confirmation of the event 13/09/2019
    Report date 10/02/2020
    Date submitted to OIE 10/02/2020
    Reason for notification New strain of a listed disease in the country
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5N5
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    Related reports Immediate notification (23/09/2019)
    Follow-up report No. 1 (14/10/2019)
    Follow-up report No. 2 (22/11/2019)
    Follow-up report No. 3 (03/01/2020)
    Follow-up report No. 4 (06/01/2020)
    Follow-up report No. 5 (13/01/2020)
    Follow-up report No. 6 (22/01/2020)
    Follow-up report No. 7 (10/02/2020)
    New outbreaks (1)
    Outbreak 1 (2020-tp-4) Wanhua District, Taipei City
    Date of start of the outbreak 10/01/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Slaughterhouse
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 15 1 0 15 0
    Affected population Native Chickens(2020-tp-4)
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 15 1 0 15 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 6.67% 0.00% 0.00% 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
    Epidemiological comments Suspected signs were observed in poultry carcasses during post-mortem inspection in the abattoir in Taipei City. Samples were sent to the AHRI for diagnosis. H5N5 subtype HPAI was confirmed by the AHRI. The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoir. After tracing back to the farm of origin, any positive results will be included in follow-up reports.
    Control measures
    Measures applied
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Traceability
    • Quarantine
    • Stamping out
    • Zoning
    • Disinfection
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.

    ...
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