Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Korea (Rep. of)
Information received on 29/11/2020 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. 2
Date of start of the event 21/10/2020
Date of confirmation of the event 25/10/2020
Report date 28/11/2020
Date submitted to OIE 29/11/2020
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)
Follow-up report No. 3 (06/12/2020)
Follow-up report No. 4 (13/12/2020)
Follow-up report No. 5 (21/12/2020)
Follow-up report No. 6 (29/12/2020)
Follow-up report No. 7 (03/01/2021)
Follow-up report No. 8 (12/01/2021)
Follow-up report No. 9 (17/01/2021)
New outbreaks (3)
Outbreak 1 Huan-ri, Hobeop-myeon, Icheon-si, Gyeonggi-Do
Date of start of the outbreak 11/11/2020
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 0 0
Affected population H5N8 HPAI confirmed in wild bird feces. 1,583 wild birds of 36 species are observed in the Bok River in Icheon-si.
Outbreak 2 Geunsam-ri, Cheoin-gu, Yongin-si, Gyeonggi-Do
Date of start of the outbreak 17/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mallard:Anas platyrhynchos(Anatidae) 1 0 0 0
Affected population H5N8 HPAI was confirmed in wild bird feces, 6,159 migratory birds of 40 species were observed for 3 days (13/11/2020~15/11/2020) by the National Institute of Biological Resources.
Outbreak 3 Hado-ri, Gujwa-eup, Jeju-si, Jeju-Do
Date of start of the outbreak 17/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mallard:Anas platyrhynchos(Anatidae) 1 0 0 0
Affected population H5N8 HPAI was confirmed in wild bird feces, 3,342 migratory birds of 34 species were observed for 3 days(13/11/2020~15/11/2020) by National Institute of Biological Resources.
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mandarin Duck:Aix galericulata(Anatidae) 1 0 0 0
Mallard:Anas platyrhynchos(Anatidae) 2 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mandarin Duck:Aix galericulata(Anatidae) ** ** 0.00% **
Mallard:Anas platyrhynchos(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) Mallard reverse transcription - polymerase chain reaction (RT-PCR) 22/11/2020 Positive
national institute of enviromental research (National laboratory) Mallard reverse transcription - polymerase chain reaction (RT-PCR) 25/11/2020 Positive
National Institute of Wild Animal Diseases (National laboratory) Mandarin Duck reverse transcription - polymerase chain reaction (RT-PCR) 19/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations