Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Korea (Rep. of)
Information received on 06/12/2020 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. 3
Date of start of the event 21/10/2020
Date of confirmation of the event 25/10/2020
Report date 06/12/2020
Date submitted to OIE 06/12/2020
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 (7)
Outbreak 1 Josan-ri, yangyang-eup, yangyang-gun, Gangwon-Do
Date of start of the outbreak 23/11/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in feces of wild bird.
Outbreak 2 Samgan-ri, Haengan-myeon, Buan-gun, Jeollabuk-Do
Date of start of the outbreak 23/11/2020
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
Outbreak 3 Oksan-ri, Cheoin-gu, Yongin-si, Gyeonggi-Do
Date of start of the outbreak 25/11/2020
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 0
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 4 1 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in one spot-billed duck.
Outbreak 4 Daesu-ri, Baeksan-myeon, Buan-gun, Jeollabuk-Do
Date of start of the outbreak 25/11/2020
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) 21 16 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in sixteen mandarin ducks.
Outbreak 5 Unggyo-ri, Gongdo-eup, Anseong-si, Gyeonggi-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) 1 0 0 0 0
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 8 1 0 0 0
Affected population Highly pathogenic avian influenza H5N8 was confirmed in a spot-billed duck.
Outbreak 6 Sinyong-ri, Sintaein-eup, Jeongeup-si, Jeollabuk-Do
Date of start of the outbreak 30/11/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in feces of wild bird.
Outbreak 7 Banam-ri, Asan-myeon, Gochang-gun, Jeollabuk-Do
Date of start of the outbreak 30/11/2020
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 Highly pathogenic avian influenza H5N8 was confirmed in feces of wild bird.
Summary of outbreaks Total outbreaks: 7
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mallard:Anas platyrhynchos(Anatidae) 2 4 0 0 0
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 12 2 0 0 0
Mandarin Duck:Aix galericulata(Anatidae) 21 16 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mallard:Anas platyrhynchos(Anatidae) ** ** 0.00% **
Spot-billed Duck:Anas poecilorhyncha(Anatidae) 16.67% 0.00% 0.00% 0.00%
Mandarin Duck:Aix galericulata(Anatidae) 76.19% 0.00% 0.00% 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
Control measures
Measures applied
  • Disinfection
  • Control of wildlife reservoirs
  • Traceability
  • Screening
  • Surveillance within containment and/or protection zone
  • Surveillance outside containment and/or protection zone
  • Movement control inside the country
  • 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) 02/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Mandarin Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 30/11/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 30/11/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Spot-billed Duck real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/12/2020 Positive
National institute of Wild Animal Disease (National laboratory) Mallard real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 28/11/2020 Positive
National institute of Wild Animal Disease (National laboratory) Mallard real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations