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Highly pathogenic avian influenza H5N8, Korea (Rep. of) (OIE, February 28 2014): 12 New Poultry Outbreaks, gene seq. at GenBank

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  • Highly pathogenic avian influenza H5N8, Korea (Rep. of) (OIE, February 28 2014): 12 New Poultry Outbreaks, gene seq. at GenBank

    [Source: OIE, full page: (LINK). Edited.]


    Highly pathogenic avian influenza H5N8, Korea (Rep. of)


    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

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

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