Low pathogenic avian influenza (poultry) H5N2, Chinese Taipei (OIE, August 30 2013): No New Outbreaks

[Giuseppe]

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


Low pathogenic avian influenza (poultry) H5N2, Chinese Taipei


Information received on 30/08/2013 from Dr Ping-Cheng Yang, Director, Animal Technology Institute Ta?wan, Council of Agriculture, Ta?wan, Chinese Taipei

• Summary
  • Report type Follow-up report No. 9
  • Date of start of the event 12/11/2012
  • Date of pre-confirmation of the event 20/11/2012
  • Report date 30/08/2013
  • Date submitted to OIE 30/08/2013
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 13/07/2012
  • Manifestation of disease Sub-clinical infection
  • Causal agent Low pathogenic avian influenza virus
  • Serotype H5N2
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (22/11/2012)
    • Follow-up report No. 1 (21/12/2012)
    • Follow-up report No. 2 (04/01/2013)
    • Follow-up report No. 3 (18/01/2013)
    • Follow-up report No. 4 (15/03/2013)
    • Follow-up report No. 5 (18/04/2013)
    • Follow-up report No. 6 (19/04/2013)
    • Follow-up report No. 7 (03/06/2013)
    • Follow-up report No. 8 (02/08/2013)
    • Follow-up report No. 9 (30/08/2013)
• Outbreaks
  • There are no new outbreaks in this report
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • Outbreak in Ma-Gong which started on 15 May 2013.
  • After the thorough cleaning and disinfection activities were completed and the farm was emptied for 21 days, sentinel chickens were introduced again on the farm in Peng-Hu County for 21 days.
  • There was no other flock within a 3-km radius of this farm since 22 July 2013.
  • The results of serological and virological tests reported on 1 August 2013 showed negative results for antibody and virus.
  • According to the aforementioned information, the H5N2 LPAI outbreak reported on 3 June 2013 (follow-up report No. 7) is resolved.
• Control measures
  • Measures applied
    • Quarantine
    • Movement control inside the country
    • Screening
    • 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 ? Species ? Test - Test date ? Result
    • Animal Health Research Institute (National laboratory) ? Birds - haemagglutination inhibition test (HIT) - 01/08/2013 ? Negative
    • Animal Health Research Institute (National laboratory) ? Birds - virus isolation - 01/08/2013 ? Negative
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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