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


Highly pathogenic avian influenza H5N1, Vietnam


Information received on 13/02/2014 from Dr Dong Pham Van, Director General, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, Hano?, Vietnam
  • Summary
    • Report type Follow-up report No. 4
    • Date of start of the event 07/10/2013
    • Date of pre-confirmation of the event 13/10/2013
    • Report date 13/02/2014
    • Date submitted to OIE 13/02/2014
    • Reason for notification Reoccurrence of a listed disease
    • Date of previous occurrence 24/07/2013
    • Manifestation of disease Clinical disease
    • Causal agent Highly pathogenic avian influenza virus
    • Serotype H5N1
    • Nature of diagnosis Laboratory (advanced)
    • This event pertains to the whole country
    • Related reports
      • Immediate notification (14/10/2013)
      • Follow-up report No. 1 (27/12/2013)
      • Follow-up report No. 2 (08/01/2014)
      • Follow-up report No. 3 (10/01/2014)
      • Follow-up report No. 4 (13/02/2014)

  • New outbreaks (6)
    • Outbreak 1 - Giap Ha, Giao Ha, Giao Thuy, NAM DINH
      • Date of start of the outbreak 07/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 510 ? 300 ? 300 ? 210 ? 0

    • Outbreak 2 - Khanh Hoa, KHANH HOA
      • Date of start of the outbreak 10/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 6900 ? 3000 ? 3000 ? 3900 ? 0

    • Outbreak 3 - Pho Cuong, Pho Cuong, Duc Pho, QUANG NGAI
      • Date of start of the outbreak 10/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 4633 ? 2783 ? 2783 ? 1850 ? 0

    • Outbreak 4 - Ben cau, Ben Cau, TAY NINH
      • Date of start of the outbreak 10/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 1582 ? 329 ? 329 ? 1253 ? 0

    • Outbreak 5 - Tran Hoi, Tran Hoi, Tran Van Thoi, CA MAU
      • Date of start of the outbreak 11/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 121 ? 106 ? 106 ? 15 ? 0

    • Outbreak 6 - Ngoc Hoi, Ngoc Hoi, KON TUM
      • Date of start of the outbreak 11/02/2014
      • Outbreak status Continuing (or date resolved not provided)
      • Epidemiological unit Village
      • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds - 5235 ? 2663 ? 2663 ? 2572 ? 0

  • Summary of outbreaks
    • Total outbreaks: 6
      • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
        • Birds ? 18981 ? 9181 ? 9181 ? 9800 ? 0

      • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
        • Birds - 48.37% - 48.37% - 100.00% - 100.00%
        • *Removed from the susceptible population through death, destruction and/or slaughter

  • Epidemiology
    • Source of the outbreak(s) or origin of infection
      • Unknown or inconclusive

  • Control measures
    • Measures applied
      • Stamping out
      • Movement control inside the country
      • Vaccination in response to the outbreak (s)
      • Disinfection of infected premises/establishment(s)
      • No treatment of affected animals

    • Measures to be applied
      • No other measures

  • Diagnostic test results
    • Laboratory name and type ? Species ? Test - Test date ? Result
      • Regional Animal Health Laboratory (RAHO 7) (National laboratory) ? Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 12/02/2014 ? Positive

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

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