South Korea - 9 new outbreaks of highly pathogenic avian influenza H5N6 in birds in farms, North Chungcheong, Gyeonggi (OIE, April 14, 2017)

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Highly pathogenic avian influenza, Korea (Rep. of)

Information received on 14/04/2017 from Dr Oh Soon-Min, Director - Chief Veterinary Officer, General Animal Health Division, Ministry of Agriculture, Food and Rural Affairs (MAFRA), SEJONG-SI, Korea (Rep. of)

Summary Report type Follow-up report No. 3 Date of start of the event 16/11/2016 Date of confirmation of the event 17/11/2016 Report date 14/04/2017 Date submitted to OIE 14/04/2017 Reason for notification New strain of a listed disease Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N6 Nature of diagnosis Laboratory (advanced) This event pertains to the whole country Related reports Immediate notification (23/11/2016) Follow-up report No. 1 (24/11/2016) Follow-up report No. 2 (02/12/2016) Follow-up report No. 3 (14/04/2017)

New outbreaks (9)

Outbreak 1 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 19/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 10000 10000 0 Affected population Duck

Outbreak 2 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 19/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 16920 16920 0 Affected population Duck

Outbreak 3 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 19/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 10000 10000 0 Affected population Duck

Outbreak 4 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 20/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 11165 11165 0 Affected population Duck

Outbreak 5 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 20/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 9556 9556 0 Affected population Duck

Outbreak 6 Eumseong-gun, Maengdong-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 20/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 9589 9589 0 Affected population Duck

Outbreak 7 Eumseong-gun, Daeso-myeon, CHUNGCHEONGBUK-DO Date of start of the outbreak 21/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 1702 1702 0 Affected population Duck

Outbreak 8 Eumseong-gun, Geumwang-eup, CHUNGCHEONGBUK-DO Date of start of the outbreak 22/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 5126 5126 0 Affected population Duck

Outbreak 9 Pochun-si, Yungbuk-myeon, GYEONGGI-DO Date of start of the outbreak 22/11/2016 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 231510 231510 0 Affected population Chicken

Summary of outbreaks Total outbreaks: 9 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 305568 ** 305568 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds ** ** ** ** *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 Contact with wild species

Control measures Measures applied Movement control inside the country Screening Disinfection / Disinfestation Traceability Dipping / Spraying for control of vectors or parasites Quarantine Surveillance outside containment and/or protection zone Stamping out Official destruction of animal products Official disposal of carcasses, by-products and waste Surveillance within containment and/or protection zone Control of wildlife reservoirs Zoning 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) 17/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 22/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 24/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 25/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 17/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 22/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 24/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 25/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 26/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 17/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 22/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 23/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 24/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 25/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 26/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 17/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 22/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 23/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 24/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 25/11/2016 Positive Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 26/11/2016 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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