Highly pathogenic avian influenza H5N1, Vietnam (OIE, February 13 2014): 6 New Poultry Outbreaks

[Giuseppe]

[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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