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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....

13 Jul 2017

Highly pathogenic #avian #influenza #H5N2, #Taiwan [four #poultry #outbreaks] (#OIE, Jul 13 ‘17)


Title: Highly pathogenic #avian #influenza #H5N2, #Taiwan [four #poultry #outbreaks].

Subject: Avian Influenza, H5N2 subtype, poultry epizootics in Taiwan.

Source: OIE, full page: (LINK).

Code: [     ]

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Highly pathogenic avian influenza H5N2, Chinese Taipei

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Information received on 13/07/2017 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. 67
    • Date of start of the event    07/01/2015
    • Date of confirmation of the event    11/01/2015
    • Report date    11/07/2017
    • Date submitted to OIE    13/07/2017
    • Reason for notification    Recurrence of a listed disease
    • Date of previous occurrence    23/07/2014
    • Manifestation of disease    Clinical disease
    • Causal agent    Highly pathogenic avian influenza virus
    • Serotype    H5N2
    • 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    - Killed and disposed of – Slaughtered
        • Birds    - 29658    - 4050 **    - 4050    - 25608    - 0
      • Outbreak statistics: Species    - Apparent morbidity rate    - Apparent mortality rate    - Apparent case fatality rate    - Proportion susceptible animals lost*
        • Birds    - **    - 13.66%    - **    - 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   
    • Samples from 3 poultry farms in Taichung City, Yunlin County and Pingtung County were sent to the National Laboratory, Animal Health Research Institute (AHRI) for analysis.
      • Highly pathogenic avian influenza H5N2 subtype was confirmed by the AHRI.
      • The farms have been placed under movement restriction.
      • All animals on the infected farms have been culled.
      • Thorough cleaning and disinfection have been conducted after stamping out operation.
      • Surrounding poultry farms within a 3 km radius of the infected farms are under intensified surveillance for 3 months.
    • Suspected signs were observed in poultry carcasses during post-mortem inspection in 1 abattoir in Taipei City.
      • Samples were sent to the AHRI for diagnosis.
      • H5N2 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.


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

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