Highly pathogenic avian influenza H5N1, Korea (Dem. People's Rep.) (OIE, April 23 2014): 1 New Poultry Outbreak

[Giuseppe]

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


Highly pathogenic avian influenza H5N1, Korea (Dem. People's Rep.)


Information received on 22/04/2014 from Mr Ri Kyong Gun, Director of the Veterinary and, Ministry of Agriculture, Anti-Epizootic Department, PYONGYANG, Korea (Dem. People's Rep.)

• Summary
  • Report type Follow-up report No. 1
  • Date of start of the event 21/03/2014
  • Date of pre-confirmation of the event 26/03/2014
  • Report date 22/04/2014
  • Date submitted to OIE 22/04/2014
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 09/05/2013
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Clinical, Laboratory (advanced)
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (16/04/2014)
    • Follow-up report No. 1 (22/04/2014)
• New outbreaks (1)
  • Outbreak 1 - Ryonggung ri, Hwangju county, HWANGHAE-BUKTO
    • Date of start of the outbreak 10/04/2014
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds - 501 ? 501 ? 136 ? 365 ? 0
      • Affected population Chickens and geese
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 501 ? 501 ? 136 ? 365 ? 0
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 100.00% - 27.15% - 27.15% - 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
  • All birds in infected cages were killed by formalin gas of 60g per m3.
• Control measures
  • Measures applied
    • Control of wildlife reservoirs
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Zoning
    • Vaccination in response to the outbreak (s)
      • Administrative division ? Species - Total Vaccinated ? Details
        • HWANGHAE-BUKTO ? Birds ? 20000 ? 20000 chickens
        • P'YONGYANG-SI ? Birds ? 530000 ? 240000 chickens in Hadang Chicken Factory and 290000 chickens in Sopo Chicken Factory
    • Disinfection of infected premises/establishment(s)
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Diagnostic test results
  • Laboratory name and type ? Species ? Test - Test date ? Result
    • Central Veterinary Station (National laboratory) ? Birds - enzyme-linked immunosorbent assay (ELISA) - 26/03/2014 ? Positive
    • Central Veterinary Station (National laboratory) ? Birds - enzyme-linked immunosorbent assay (ELISA) - 10/04/2014 ? Positive
    • Veterinary Research Institute, Academy of Agriculture Science (National laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 26/03/2014 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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