Highly pathogenic avian influenza H5N1, Nepal (OIE, February 26 2014): 1 New Poultry Outbreak

[Giuseppe]

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


Highly pathogenic avian influenza H5N1, Nepal


Information received on 26/02/2014 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

• Summary
  • Report type Immediate notification
  • Date of start of the event 13/02/2014
  • Date of pre-confirmation of the event 18/02/2014
  • Report date 26/02/2014
  • Date submitted to OIE 26/02/2014
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 10/10/2013
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
  • This event pertains to the whole country
  
  
• New outbreaks (1)
  • Outbreak 1 - Itahari Municipality 7, Itahari , Sunsari, KOSHI
    • 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 - 2000 ? 570 ? 570 ? 1430 ? 0
      • Affected population: A commercial layer farm in production stage kept in deep litter system
  
  
• Summary of outbreaks
  • Total outbreaks: 1
    • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 2000 ? 570 ? 570 ? 1430 ? 0
      
      
    • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
      • Birds - 28.50% - 28.50% - 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
  
  
• Epidemiological comments
  • Birds showed depression, decreased egg production followed by death with cyanosis, respiratory distress, paralysis.
  
  
• Control measures
  • Measures applied
    • Stamping out
    • Vaccination prohibited
    • No treatment of affected animals
    
    
  • Measures to be applied
    • Quarantine
    • Movement control inside the country
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
  
  
• Diagnostic test results
  • Laboratory name and type ? Species ? Test - Test date ? Result
    • Central Veterinary Laboratory (National laboratory) ? Birds - real-time PCR - 18/02/2014 - Positive
  
  
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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