Highly pathogenic avian influenza,
Korea (Rep. of)
Information received on 30/12/2020 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 26/11/2020
Date of confirmation of the event 28/11/2020
Report date 30/12/2020
Date submitted to OIE 30/12/2020
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 avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (30/11/2020)
Follow-up report No. 1 (05/12/2020)
Follow-up report No. 2 (12/12/2020)
Follow-up report No. 3 (21/12/2020)
Follow-up report No. 4 (30/12/2020)
Follow-up report No. 5 (04/01/2021)
Follow-up report No. 6 (12/01/2021)
Follow-up report No. 7 (19/01/2021)
New outbreaks (15)
Outbreak 1 Munchon-ri, Wonsam-myeon, Yongin-si, Gyeonggi-Do
Date of start of the outbreak 20/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6000 0 6000 0
Affected population H5N8 HPAI was confirmed in surveillance inspection at the duck farm.
Outbreak 2 Dangjin-ri, Jeomdong-myeon, Yeoju-si, Gyeonggi-Do
Date of start of the outbreak 21/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 156000 300 300 155700 0
Affected population H5N8 HPAI was confirmed in a laying hen farm by Animal and Plant Quarantine Agency(APQA).
Outbreak 3 Munchon-ri, Gamgok-myeon, Eumseong-gun, Chungcheongbuk-Do
Date of start of the outbreak 22/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6000 0 6000 0
Affected population H5N8 HPAI was confirmed in the duck farm by Animal and Plant Quarantine Agency(APQA).
Outbreak 4 Sangsin-ri, Hyangnam-eup, Hwaseong-si, Gyeonggi-Do
Date of start of the outbreak 22/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 311000 32 32 310968 0
Affected population H5N8 HPAI was confirmed in a laying hen farm by Animal and Plant Quarantine Agency(APQA).
Outbreak 5 Gwanpung-ri, Samae-myeon, Namwon-si, Jeollabuk-Do
Date of start of the outbreak 22/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 40000 0 40000 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a broiler duck farm.
Outbreak 6 Sindo-ri, Yongbang-myeon, Gurye-gun, Jeollanam-Do
Date of start of the outbreak 23/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 16000 0 16000 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a broiler duck farm.
Outbreak 7 Yongjeong-ri, Yongbang-myeon, Gurye-gun, Jeollanam-Do
Date of start of the outbreak 23/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 16500 0 16500 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a broiler duck farm.
Outbreak 8 Jungdong-ri, Jusaeng-myeon, Namwon-si, Jeollabuk-Do
Date of start of the outbreak 23/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 13500 0 13500 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a broiler duck farm.
Outbreak 9 Daeheung-ri, Seongnam-myeon, Cheonan-si, Chungcheongnam-Do
Date of start of the outbreak 24/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10700 0 10700 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at the duck farm.
Outbreak 10 Seokgok-ri, Godeok-myeon, Yesan-gun, Chungcheongnam-Do
Date of start of the outbreak 25/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 34700 700 700 34000 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a broiler breeder hen farm.
Outbreak 11 Sindang-ri, Cheonbuk-myeon, Gyeongju-si, Gyeongsangbuk-Do
Date of start of the outbreak 25/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 8000 63 63 7937 0
Affected population H5N8 HPAI was confirmed in a surveillance inspection at a laying hen farm.
Outbreak 12 Dangok-ri, Ibam-myeon, Jeongeup-si, Jeollabuk-Do
Date of start of the outbreak 27/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 13800 0 13800 0
Affected population H5N8 HPAI was confirmed in surveillance inspection at a broiler duck farm.
Outbreak 13 Marae-ri, Neungseo-myeon, Yeoju-si, Gyeonggi-Do
Date of start of the outbreak 28/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 208300 186 186 208114 0
Affected population H5N8 HPAI was confirmed in a laying hen farm.
Outbreak 14 Gojan-ri, Cheongbuk-eup, Pyeongtaek-si, Gyeonggi-Do
Date of start of the outbreak 28/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 26500 30 30 26470 0
Affected population H5N8 HPAI was confirmed in a laying hen farm.
Outbreak 15 Naeyu-dong, Deokyang-gu, Goyang-si, Gyeonggi-Do
Date of start of the outbreak 28/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 931 3 3 928 0
Summary of outbreaks Total outbreaks: 15
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 867931 1314 ** 1314 866617 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 0.15% ** 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
Epidemiological comments The epidemiological investigation is ongoing.
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
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
  • Disinfection
  • Vaccination prohibited
  • 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) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 24/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 25/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 27/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 28/12/2020 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 29/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations