Highly pathogenic avian influenza, Chinese Taipei (OIE, May 25 2012): No New H5N2 Poultry Outbreaks

[Giuseppe]

[Source: OIE, full page: (LINK). Edited.]


Highly pathogenic avian influenza, Chinese Taipei


Information received on 25/05/2012 from Dr Kwo-Ching Huang, Chief Veterinary Officer and 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. 5
  • Start date 07/02/2012
  • Date of first confirmation of the event 13/02/2012
  • Report date 25/05/2012
  • Date submitted to OIE 25/05/2012
  • Reason for notification First occurrence of a listed disease
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Clinical, Laboratory (advanced)
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (03/03/2012)
    • Follow-up report No. 1 (10/03/2012)
    • Follow-up report No. 2 (19/03/2012)
    • Follow-up report No. 3 (02/04/2012)
    • Follow-up report No. 4 (14/05/2012)
    • Follow-up report No. 5 (25/05/2012)
• Outbreaks
  • There are no new outbreaks in this report
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • The results of clinical findings and pathogenicity assays (IVPI=2.91) confirmed that the virulence of this H5N2 virus was highly pathogenic.
  • The epidemiological and clinical health investigations continued on the surrounding poultry farms within a 3-km-radius of the index farms.
  • Up to the present, no new notifiable avian influenza case has been observed or detected.
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Disinfection of infected premises/establishment(s)
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Diagnostic test results
  • Laboratory name and type Animal Health Research Institute (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - intravenous pathogenicity index (IVPI) test - 21/05/2012 ? Positive
      • Birds - virus isolation - 21/05/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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