Highly pathogenic avian influenza, Korea (Rep. of) (WAHID Interface - OIE World Animal Health Information Database, Dec. 14 2010, edited)

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Highly pathogenic avian influenza, Korea (Rep. of) (WAHID Interface - OIE World Animal Health Information Database, Dec. 14 2010, edited)


[Source: OIE, full text: <cite cite="http://www.oie.int/wahis/public.php?page=single_report&pop=1&reportid=10049">WAHID Interface - OIE World Animal Health Information Database</cite>. Edited.]

Highly pathogenic avian influenza, Korea (Rep. of)

Information received on 14/12/2010 from Dr Kiyoon Chang, CVO & Director, Quarantine Policy Division, Food Safety & Consumer Affairs Policy Bureau, MIFAFF (Ministry of Food, Agriculture, Forestry and Fisheries) , Gyeonggi -Do, Korea (Rep. of)

• Summary
  • Report type Follow-up report No. 1
  • Start date 29/11/2010
  • Date of first confirmation of the event 07/12/2010
  • Report date 14/12/2010
  • Date submitted to OIE 14/12/2010
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 15/05/2008
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (09/12/2010)
    • Follow-up report No. 1 (14/12/2010)

• New outbreaks
  • Outbreak 1 - Chang-ri, Buseok-myun, Seosan city, CHUNGCHEONGNAM-DO
    • Date of start of the outbreak 29/11/2010
    • Outbreak status Resolved (10/12/2010)
    • Epidemiological unit Not applicable
    • Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
      • Wild species - ... - 2 - 2 - 0 - 0
      • Affected Population Bubo bubo (eagle owl)

• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Wild species - ** - ** - 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
  • As part of continuous avian influenza surveillance, avian influenza tests in wild birds were conducted.
  • Two dead eagle owls were found in Buseok-myun (Seosan city, Chungcheongnam-do) on 29 November.
  • Samples (faeces, laryngo-pharyngeal swab) were collected.
  • The NVRQS found HPAI (H5N1 subtype) virus antigen by PCR and gene sequencing on 10 December.
  • Clinical surveillance and disinfection on the neighbouring poultry farms within 10km around the detection spot were enhanced.
  • So far, no highly pathogenic avian influenza positive has been detected in poultry.

• Control measures
  • Measures applied
    • Movement control inside the country
    • Zoning
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures

• Diagnostic test results
  • Laboratory name and type National Veterinary Research and Quarantine Service (NVRQS) (National laboratory)
    • Tests and results: Species - Test - Test date - Result
      • Wild species - gene sequencing - 10/12/2010 - Positive
      • Wild species - polymerase chain reaction (PCR) - 10/12/2010 - Positive

• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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