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#Update: Increase in #Human #Infections with #Avian #Influenza #H7N9 Viruses During the 5th #Epidemic — #China, Oct. ‘16–Aug. 7 ‘17 (@CDCgov, edited)

Title : #Update: Increase in #Human #Infections with #Avian #Influenza #H7N9 Viruses During the 5th #Epidemic — #China, Oct. ‘16–Aug. 7 ‘17....

12 Jan 2017

Highly pathogenic #avian #influenza #H5N8, #Taiwan [four #poultry #outbreaks] (#OIE, Jan. 12 ‘17)

Title: Highly pathogenic #avian #influenza #H5N8, #Taiwan [four #poultry #outbreaks].

Subject: Avian Influenza, H5N8 subtype, poultry epizootics in Tawian.

Source: OIE, full page: (LINK). Excerpts.

Code: [     ]


Highly pathogenic avian influenza H5N8, Chinese Taipei

Information received on 12/01/2017 from Dr Tai-Hwa Shih, Chief Veterinary Officer, Deputy Director General, Bureau of Animal and Plant Health Inspection and Quarantine Council of Agriculture Executive Yuan, Ministry of Agriculture, Taipei, Chinese Taipei

  • Summary
    • Report type    Follow-up report No. 32
    • Date of start of the event    08/01/2015
    • Date of confirmation of the event    11/01/2015
    • Report date    09/01/2017
    • Date submitted to OIE    12/01/2017
    • Reason for notification    Reoccurrence of a listed disease
    • Date of previous occurrence    23/07/2014
    • Manifestation of disease    Clinical disease
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N8
    • Nature of diagnosis    Clinical, Laboratory (advanced)
    • This event pertains to    a defined zone within the country
  • Summary of outbreaks   
    • Total outbreaks: 4
      • Total animals affected: Species    - Susceptible    - Cases    - Deaths    - Destroyed    - Slaughtered
        • Birds    - 24823    - 311 **    - 311    - 24512    - 0
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - **    - 1.25%    - **    - 100.00%
          • *Removed from the susceptible population through death, destruction and/or slaughter
          • **Not calculated because of missing information
  • Epidemiology
    • Source of the outbreak(s) or origin of infection   
      • Unknown or inconclusive
  • Epidemiological comments   
    • Abnormal mortality was observed in one poultry farm in Yunlin County.
    • Samples were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis.
    • Highly pathogenic avian influenza H5N8 subtype was confirmed by AHRI.
    • The farm has been put 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 within 3 km radius of the infected farm are under intensified surveillance for three months.
    • Suspicious signs were observed in poultry carcasses during postmortem inspection in three abattoirs in New Taipei City, Taipei City, and Kaohsiung City.
    • Samples were sent to AHRI for analysis.
    • Highly pathogenic avian influenza H5N8 was confirmed by the AHRI.
    • H5N2 HPAI virus was also detected in samples taken from the abattoir in New Taipei City.
    • The carcasses were destroyed and thorough cleaning and disinfection have been conducted in the abattoirs.
    • After tracing back to the farm of origin, samples have been sent to the AHRI for diagnosis.
    • Any positive results will be included in follow-up reports.




Keywords: OIE; Updates; Avian Influenza; H5N2; H5N8 ; Poultry; Taiwan.