Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Korea (Rep. of)
Information received on 16/11/2020 from Dr Dae Gyun Kim, Chief Veterinary Officer, Director General, Animal Health Policy Bureau, Ministry of Agriculture, Food and Rural Affairs, Sejong-si, Korea (Rep. of)
Summary
Report type Follow-up report No. 1
Date of start of the event 21/10/2020
Date of confirmation of the event 25/10/2020
Report date 16/11/2020
Date submitted to OIE 16/11/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 17/03/2018
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (01/11/2020)
Follow-up report No. 1 (16/11/2020)
Follow-up report No. 2 (28/11/2020)
New outbreaks (2)
Outbreak 1 Gajeon-ri, Byeongcheon-myeon, Cheonan-si, Chungcheongnam-Do
Date of start of the outbreak 03/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 1 0 1 0
Affected population Positive in one spot-billed duck out of twenty wild birds (spot-billed ducks 20) captured.
Outbreak 2 Yusan-ri, Hobeop-myeon, Icheon-si, Gyeonggi-Do
Date of start of the outbreak 10/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mandarin Duck:Aix galericulata(Anatidae) 1 0 1 0
Affected population Positive in one mandarin duck out of fourteen wild birds (mandarin ducks 5, spot-billed ducks 9) captured.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 1 0 1 0
Mandarin Duck:Aix galericulata(Anatidae) 1 0 1 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Spot-billed Duck:Anas poecilorhyncha(Anatidae) ** ** 0.00% **
Mandarin Duck:Aix galericulata(Anatidae) ** ** 0.00% **
*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 H5N8 Highly pathogenic avian influenza has been confirmed in wild birds according to the Avian influenza surveillance program.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Traceability
  • Control of wildlife reservoirs
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • 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) Mandarin Duck reverse transcription - polymerase chain reaction (RT-PCR) 13/11/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Spot-billed Duck reverse transcription - polymerase chain reaction (RT-PCR) 09/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations