Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Korea (Rep. of)
Information received on 15/12/2020 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. 4
Date of start of the event 21/10/2020
Date of confirmation of the event 25/10/2020
Report date 13/12/2020
Date submitted to OIE 15/12/2020
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)
New outbreaks (11)
Outbreak 1 Sinyong-ri, Sintaein-eup, Jeongeup-si, Jeollabuk-Do
Date of start of the outbreak 26/11/2020
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) 0 0 0 0
Mandarin Duck:Aix galericulata(Anatidae) 1 0 0 0
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 0 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one mandarin duck out of 18 captured wild birds (ten mallards, five mandarin ducks, three spot-billed ducks) by the Animal and Plant Quarantine Agency(APQA).
Outbreak 2 Sanseong-ri, Sangwol-myeon, Nonsan-si, Chungcheongnam-Do
Date of start of the outbreak 01/12/2020
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) 6 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in six mandarin ducks out of twenty captured wild birds (20 mandarin ducks) by the Animal and Plant Quarantine Agency(APQA).
Outbreak 3 Sanseong-ri, Sangwol-myeon, Nonsan-si, Chungcheongnam-Do
Date of start of the outbreak 01/12/2020
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) 4 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in four mandarin ducks out of thirteen captured wild birds (thirteen mandarin ducks) by the Animal and Plant Quarantine Agency(APQA).
Outbreak 4 Daechang-ri, Haebo-myeon, Hampyeong-gun, Jeollanam-Do
Date of start of the outbreak 01/12/2020
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) 8 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in eight mandarin ducks out of twelve captured wild birds (twelve mandarin ducks) by the Animal and Plant Quarantine Agency(APQA).
Outbreak 5 Yangsan-dong, Osan-si, Gyeonggi-Do
Date of start of the outbreak 01/12/2020
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 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one spot-billed duck out of four captured wild birds (four spot-billed ducks) by the Animal and Plant Quarantine Agency(APQA).
Outbreak 6 Hongnae-dong, Suncheon-si, Jeollanam-Do
Date of start of the outbreak 01/12/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in wild bird feces by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 7 Oya-ri, Cheonbuk-myeon, Gyeongju-si, Gyeongsangbuk-Do
Date of start of the outbreak 02/12/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in wild bird feces by the Animal and Plant Quarantine Agency(APQA).
Outbreak 8 Deokam-ri, Maseo-myeon, Seocheon-gun, Chungcheongnam-Do
Date of start of the outbreak 03/12/2020
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 dead spot-billed duck by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 9 Woljam-ri, Uichang-gu, Changwon-si, Gyeongsangnam-Do
Date of start of the outbreak 04/12/2020
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 10 Gakpyeong-ri, Majang-myeon, Icheon-si, Gyeonggi-Do
Date of start of the outbreak 04/12/2020
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 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one spot-billed duck out of thirty-nine captured wild birds (thirty-nine spot-billed ducks) by the National Institute of Wildlife Disease Control and prevention (NIWDC)
Outbreak 11 Yangdae-dong, Seosan-si, Chungcheongnam-Do
Date of start of the outbreak 08/12/2020
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)
Summary of outbreaks Total outbreaks: 11
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mallard:Anas platyrhynchos(Anatidae) 0 0 0 0
Mandarin Duck:Aix galericulata(Anatidae) 21 0 0 0
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 3 1 0 0
Whooper Swan:Cygnus cygnus(Anatidae) 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mallard:Anas platyrhynchos(Anatidae) ** ** - **
Mandarin Duck:Aix galericulata(Anatidae) ** ** 0.00% **
Spot-billed Duck:Anas poecilorhyncha(Anatidae) ** ** 33.33% **
Whooper Swan:Cygnus cygnus(Anatidae) ** ** 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
National Institute of wild life disease control and prevention (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 08/12/2020 Positive
National Institute of wild life disease control and prevention (National laboratory) Whooper Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 09/12/2020 Positive
National Institute of wild life disease control and prevention (National laboratory) Whooper Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 12/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Mandarin Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Mandarin Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 07/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 07/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations