Highly pathogenic avian influenza,
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 confirmation of the event 26/03/2014
Report date 22/04/2014
Date submitted to OIE 22/04/2014
Reason for notification Recurrence 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 Killed and disposed of 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 Killed and disposed of 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
  • Movement control inside the country
  • Screening
  • 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 / Disinfestation
  • Quarantine
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • 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.
Map of outbreak locations