Announcement

Collapse
No announcement yet.

Taiwan - 1 new outbreak of highly pathogenic avian influenza H5 on farm in Chiayi County (OIE, November 20, 2019)

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Taiwan - 1 new outbreak of highly pathogenic avian influenza H5 on farm in Chiayi County (OIE, November 20, 2019)

    Highly pathogenic avian influenza,
    Chinese Taipei
    Information received on 20/11/2019 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 Immediate notification
    Date of start of the event 27/10/2019
    Date of confirmation of the event 30/10/2019
    Report date 20/11/2019
    Date submitted to OIE 20/11/2019
    Reason for notification Recurrence of a listed disease
    Date of previous occurrence 11/07/2018
    Manifestation of disease Clinical disease
    Causal agent Highly pathogenic avian influenza virus
    Serotype H5
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (1)
    Outbreak 1 (2019-cy-1) Puzi city, Chiayi County
    Date of start of the outbreak 27/10/2019
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Farm
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3000 2899 2899 101 0
    Affected population Native Chickens(2019-cy-1)
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 3000 2899 2899 101 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 96.63% 96.63% 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
    • Unknown or inconclusive
    Epidemiological comments The infected animals of the farm in Chiayi County were noticed to have clinical signs and the samples were sent by the Local Animal Disease Inspection Authority (LADIA) to the National Laboratory, Animal Health Research Institute (AHRI) for diagnosis. H5 subtype HPAI was confirmed by AHRI. The infected farm has been placed under movement restriction. All animals on the infected farm have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms (1 duck farm, 1 goose farm and 1 layer chicken farm) within a one-kilometer radius of the infected farm are clinically healthy and test results of HPAI are all negative.
    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
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Animal Health Research Institute (AHRI) (National laboratory) Birds gene sequencing 30/10/2019 Positive
    Animal Health Research Institute (AHRI) (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 29/10/2019 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
Working...
X