Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Korea (Rep. of)
Information received on 29/12/2020 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. 6
Date of start of the event 21/10/2020
Date of confirmation of the event 25/10/2020
Report date 29/12/2020
Date submitted to OIE 29/12/2020
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 (9)
Outbreak 1 Hwanggye-dong, Hwaseong-si, Gyeonggi-Do
Date of start of the outbreak 15/12/2020
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) 8 2 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in two out of eight spot-billed ducks by the Animal and Plant Quarantine Agency (APQA).
Outbreak 2 Hadan-dong, Saha-gu, Busan Metropolitan City
Date of start of the outbreak 16/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Northern Pintail:Anas acuta(Anatidae) 180 1 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one out of one hundred eighty Northern pintails by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 3 Hado-ri, Gujwa-eup, Jeju-si, Jeju-Do
Date of start of the outbreak 16/12/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in wild bird feces by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 4 Yongdang-ri, Guryong-myeon, Buyeo-gun, Chungcheongnam-Do
Date of start of the outbreak 17/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Tufted Duck:Aythya fuligula(Anatidae) 1 0 0 0
Outbreak 5 Seoksan-ri, Uichang-gu, Changwon-si, Gyeongsangnam-Do
Date of start of the outbreak 19/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one dead whooper swan by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 6 Geumsan-ri, Uichang-gu, Changwon-si, Gyeongsangnam-Do
Date of start of the outbreak 20/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one dead whooper swan by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 7 Sanghong-ri, Eumam-myeon, Seosan-si, Chungcheongnam-Do
Date of start of the outbreak 20/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one dead whooper swan by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 8 Daedan-ri, Haeryong-myeon, Suncheon-si, Jeollanam-Do
Date of start of the outbreak 20/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Spoonbill:Platalea leucorodia(Threskiornithidae) 1 1 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one dead Eurasian spoonbill by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 9 Yongi-dong, Pyeongtaek-si, Gyeonggi-Do
Date of start of the outbreak 21/12/2020
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 1 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one spot-billed duck by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Summary of outbreaks Total outbreaks: 9
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 8 3 1 0 0
Northern Pintail:Anas acuta(Anatidae) 180 1 0 0 0
Mallard:Anas platyrhynchos(Anatidae) 1 0 0 0
Tufted Duck:Aythya fuligula(Anatidae) 1 0 0 0
Whooper Swan:Cygnus cygnus(Anatidae) 3 3 0 0
Eurasian Spoonbill:Platalea leucorodia(Threskiornithidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Spot-billed Duck:Anas poecilorhyncha(Anatidae) ** ** 33.33% **
Northern Pintail:Anas acuta(Anatidae) 0.56% 0.00% 0.00% 0.00%
Mallard:Anas platyrhynchos(Anatidae) ** ** 0.00% **
Tufted Duck:Aythya fuligula(Anatidae) ** ** 0.00% **
Whooper Swan:Cygnus cygnus(Anatidae) ** ** 100.00% **
Eurasian Spoonbill:Platalea leucorodia(Threskiornithidae) ** ** 100.00% **
*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
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 real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 21/12/2020 Positive
National Institute of Wildlife Disease Control and prevention (NIWDC) (National laboratory) Eurasian Spoonbill real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/12/2020 Positive
National Institute of Wildlife Disease Control and prevention (NIWDC) (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/12/2020 Positive
National Institute of Wildlife Disease Control and prevention (NIWDC) (National laboratory) Tufted Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/12/2020 Positive
National Institute of Wildlife Disease Control and prevention (NIWDC) (National laboratory) Whooper Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/12/2020 Positive
National Institute of Wildlife Disease Control and prevention (NIWDC) (National laboratory) Northern Pintail real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 22/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations