Highly pathogenic avian influenza H5N8, Korea (Rep. of) (OIE, January 27 2014): 5 New Poultry Outbreaks

[Giuseppe]

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


Highly pathogenic avian influenza H5N8, Korea (Rep. of)


Information received on 27/01/2014 from Dr TaeYung Kim, Director General, Livestock Policy Bureau, Ministry for Food, Agriculture, Forestry & Fisheries, Sejong-Si, Korea (Rep. of)

• Summary
  • Report type Follow-up report No. 1
  • Date of start of the event 16/01/2014
  • Date of pre-confirmation of the event 16/01/2014
  • Report date 25/01/2014
  • Date submitted to OIE 27/01/2014
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 26/05/2011
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N8
  • Nature of diagnosis Laboratory (advanced)
  • This event pertains to a defined zone within the country
  • Related reports
    • Immediate notification (17/01/2014)
    • Follow-up report No. 1 (25/01/2014)
• New outbreaks (5)
  • Outbreak 1 - 488, Sin-ri, Julpo-myeon, Buan-gun, JEOLLABUK-DO
    • Date of start of the outbreak 17/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 6500 ? 120 ? 120 ? 6380 ? 0
      • Affected population ducks for meat
  • Outbreak 2 - 748, Sin-ri, Julpo-myeon, Buan-gun, JEOLLABUK-DO
    • Date of start of the outbreak 18/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 9200 ? 340 ? 340 ? 8860 ? 0
      • Affected population ducks for meat
  • Outbreak 3 - 1241, Saban-ri, Haeri-myeon, Gochang-gun, JEOLLABUK-DO
    • Date of start of the outbreak 21/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 11200 ? 20 ? 20 - 11180 ? 0
      • Affected population ducks for meat
  • Outbreak 4 - 438-10, Bukchon-ri, Hongsan-myeon, Buyeo-gun, CHUNGCHEONGNAM-DO
    • Date of start of the outbreak 23/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 22000 ? 100 ? 100 ? 21900 ? 0
      • Affected population chickens
  • Outbreak 5 - 1621-1, Mabong-ri, Haenam-gun, Songji-myeon, JEOLLANAM-DO
    • Date of start of the outbreak 23/01/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Farm
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 12500 ? 1700 ? 1700 ? 10800 ? 0
      • Affected population breeding ducks
• Summary of outbreaks
  • Total outbreaks: 5
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 61400 ? 2280 ? 2280 ? 59120 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 3.71% - 3.71% - 100.00% - 100.00%
      • *Removed from the susceptible population through death, destruction and/or slaughter
• Epidemiology
  • Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
• Epidemiological comments
  • In addition, the Veterinary authority of the Republic of Korea is proceeding to diagnose five farms (chickens and ducks) samples for avian influenza detection.
  • The authority is still implementing epidemiological survey.
• Control measures
  • Measures applied
    • Control of wildlife reservoirs
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • 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 ? Species ? Test - Test date ? Result
    • Animal and Plant Quarantine Agency (National laboratory) ? Birds - real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) - 26/01/2014 ? Positive
    • Animal and Plant Quarantine Agency (National laboratory) ? Birds - virus isolation - 26/01/2014 ? Positive
    • Animal and Plant Quarantine Agency (National laboratory) ? Birds - virus sequencing - 26/01/2014 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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