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)
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 H5N8 HPAI was confirmed in one mandarin duck out of 18 captured wild birds (ten Mallards, five Mandarin ducks, three Spot-billed ducks) by Animal and Plant Quarantine Agency.
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 H5N8 HPAI was confirmed in six mandarin ducks out of twenty captured wild birds (20 Mandarin ducks) by Animal and Plant Quarantine Agency.
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 H5N8 HPAI was confirmed in four mandarin ducks out of thirteen captured wild birds (thirteen Mandarin ducks) by Animal and Plant Quarantine Agency.
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 H5N8 HPAI was confirmed in eight mandarin ducks out of twelve captured wild birds (twelve Mandarin ducks) by Animal and Plant Quarantine Agency.
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 H5N8 HPAI was confirmed in one Spot-billed duck out of four captured wild birds (four Spot-billed ducks) by Animal and Plant Quarantine Agency.
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 H5N8 HPAI was confirmed in wild bird feces by National institute of wild life 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 H5N8 HPAI was confirmed in wild bird feces by 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 H5N8 HPAI was confirmed in one dead Spot-billed duck by National Institute of wild life 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 H5N8 HPAI was confirmed in one dead Whooper Swan by National Institute of wild life 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 H5N8 HPAI was confirmed in one spot-billed duck out of thirty-nine captured wild birds (thirty-nine Spot-billed ducks) by National Institute of wild life disease control and prevention.
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 H5N8 HPAI was confirmed in one dead Whooper Swan by National Institute of wild life 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.