OIE: Highly pathogenic avian influenza,Korea (Rep. of), (Follow-up report No. 3)

Information received on 28/02/2014 from Dr TaeYung Kim, Director General, Livestock Policy Bureau, Ministry for Food, Agriculture, Forestry & Fisheries, Sejong-Si, Korea (Rep. of)
Summary
Report type Follow-up report No. 3
Date of start of the event 16/01/2014
Date of pre-confirmation of the event 16/01/2014
Report date 28/02/2014
Date submitted to OIE 28/02/2014
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 26/05/2011
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (17/01/2014)
Follow-up report No. 1 (25/01/2014)
Follow-up report No. 2 (10/02/2014)
Follow-up report No. 3 (28/02/2014)
New outbreaks (12)
Outbreak 1 83-1, Jangseon-ri, Deokjin-myeon, Yeongam-gun, JEOLLANAM-DO
Date of start of the outbreak 28/01/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 10000 6000 0 10000
Affected population breeding ducks
Outbreak 2 764-1, Samjeong-ri, Daeso-myeon, Eumseong-gun, CHUNGCHEONGBUK-DO
Date of start of the outbreak 02/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 9100 1365 0 9100
Affected population breeding ducks
Outbreak 3 1-3, Deokhwa-ri, Dopo-myeon, Yeongam-gun, JEOLLANAM-DO
Date of start of the outbreak 06/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 27000 10320 10320 16680
Affected population layer chickens
Outbreak 4 461-35, Songpyeong-ri, Yeongam-eup, Yeongam-gun, JEOLLANAM-DO
Date of start of the outbreak 11/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 12100 2550 0 12100 0
Affected population ducks for meat : 7000 breeding ducks : 5100
Outbreak 5 524, Samsan-dong, Jeongeup-si, JEOLLABUK-DO
Date of start of the outbreak 13/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 16000 300 300 15700 0
Affected population breeding chicken
Outbreak 6 194, Wira-ri, Ungok-myeon, Cheongyang-gun, CHUNGCHEONGNAM-DO
Date of start of the outbreak 14/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 35000 200 200 34800 0
Affected population layer chickens
Outbreak 7 359-4, Ban-gyo-ri, Yongji-myeon, Gimje-si, JEOLLABUK-DO
Date of start of the outbreak 16/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 7380 2 0 7380 0
Affected population breeding ducks
Outbreak 8 679, Bonghyeon-ri, Maengdong-myeon, Eumseong-gun, CHUNGCHEONGBUK-DO
Date of start of the outbreak 17/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 6100 88 88 6012 0
Affected population ducks for meat
Outbreak 9 911-17, Majeon-ri, Yeonmu-eup, Nonsan-si, CHUNGCHEONGNAM-DO
Date of start of the outbreak 20/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 40000 150 150 39850 0
Affected population breeding chickens
Outbreak 10 146 Dowon-ri, Byeongcheon-myeon, Dongnam-gu, Cheonan-si,, CHUNGCHEONGNAM-DO
Date of start of the outbreak 23/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 120000 986 986 119014
Affected population layer chickens
Outbreak 11 40-1, Daesa-ri, Paengseong-eup, Pyeongtaek-si, GYEONGGI-DO
Date of start of the outbreak 23/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 18600 9300 0 18600
Affected population breeding ducks
Outbreak 12 951, Yeongyang-ri, Myoryang-myeon, Yeonggwang-gun, JEOLLANAM-DO
Date of start of the outbreak 26/02/2014
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 20000 23 23 19977
Affected population breeding ducks
Summary of outbreaks Total outbreaks: 12
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 321280 31284 12067 309213 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 9.74% 3.76% 38.57% **
*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 H5N8 subtype of viruses have a series of basic amino acid at the hemagglutinin (HA) cleavage site such as LREKRRKR/GLF or LRERRRKR/GLF, which means highly pathogenic to chickens. - The intravenous pathogenic index was 3.0, which means highly pathogenic to chickens. Animal and Plant Quarantine Agency (QIA) injected intravenously 0.1ml of the 1/10 diluted virus into each of ten 6-week-old SPF chickens. All birds were died within 24 hours. - QIA submitted the genetic information to GenBank and submitted manuscript to scientific society (Emerging Infectious Disease, MS#EID-14-0233) about the brief situation of outbreaks and the genetic information on 27 January 2014.
Control measures
Measures applied
  • Control of wildlife reservoirs
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • Zoning
  • Disinfection of infected premises/establishment(s)
  • 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) 26/02/2014 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds virus isolation 26/02/2014 Positive
Animal and Plant Quarantine Agency (National laboratory) Birds virus sequencing 26/02/2014 Positive