Highly pathogenic avian influenza, Nepal (OIE, December 2 2011): 1 New H5N1 Poultry Outbreak

[Giuseppe]

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


Highly pathogenic avian influenza, Nepal


Information received on 02/12/2011 from Dr Ram Krishna Khatiwada, Programme Director , Directorate of Animal Health , Ministry of Agriculture and Co-operatives, Kathmandu, Nepal

• Summary
  • Report type Immediate notification
  • Start date 10/11/2011
  • Date of first confirmation of the event 14/11/2011
  • Report date 02/12/2011
  • Date submitted to OIE 02/12/2011
  • Reason for notification Reoccurrence of a listed disease
  • Date of previous occurrence 30/10/2010
  • Manifestation of disease Clinical disease
  • Causal agent Highly pathogenic avian influenza virus
  • Serotype H5N1
  • Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
  • This event pertains to the whole country
• New outbreaks
  • Outbreak 1 - Manahara Phat, Madhyapur Thimi Municipality - 16, Bhaktapur, BAGMATI
    • Date of start of the outbreak 10/11/2011
    • Outbreak status Continuing (or date resolved not provided)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 396 ? 88 ? 88 ? 308 ? 0
      • Affected Population Backyard chicken and duck population
• Summary of outbreaks
  • Total outbreaks: 1
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 22.22% - 22.22% - 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
  • Stamping out activity was completed on 29 November 2011 and cleaning and disinfection of the infected premises were completed on 30 November 2011.
  • Post-operative surveillance activities are ongoing and no further cases in other areas have been detected so far.
• Control measures
  • Measures applied
    • Stamping out
    • Quarantine
    • Movement control inside the country
    • Screening
    • Disinfection of infected premises/establishment(s)
    • Dipping / Spraying
    • Vaccination prohibited
    • No treatment of affected animals
  • Measures to be applied
    • No other measures
• Diagnostic test results
  • Laboratory name and type Central Veterinary Laboratory (CVL) (National laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - polymerase chain reaction (PCR) - 14/11/2011 ? Positive
      • Birds - rapid tests - 14/11/2011 ? Positive
  • Laboratory name and type Veterinary Laboratories Agency (VLA), Weybridge, United Kingdom (OIE?s Reference Laboratory)
    • Tests and results: Species ? Test - Test date ? Result
      • Birds - reverse transcription - polymerase chain reaction (RT-PCR) - 23/11/2011 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

-
-------