Highly pathogenic avian influenza, Nepal (OIE, March 12 2012, edited): 3 New H5N1 Poultry Outbreaks

[Giuseppe]

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


Highly pathogenic avian influenza, Nepal


Information received on 11/03/2012 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal

• Summary
  • Report type Follow-up report No. 3
  • Start date 10/11/2011
  • Date of first confirmation of the event 14/11/2011
  • Report date 11/03/2012
  • Date submitted to OIE 11/03/2012
  • 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 Suspicion, Clinical, Laboratory (basic), Laboratory (advanced), Necropsy
  • This event pertains to the whole country
  • Related reports
    • Immediate notification (02/12/2011)
    • Follow-up report No. 1 (12/02/2012)
    • Follow-up report No. 2 (15/02/2012)
    • Follow-up report No. 3 (11/03/2012)
• New outbreaks
  • Outbreak 1 - Kumarkhod VDC 1, Khumarkhod, Jhapa, MECHI
    • Date of start of the outbreak 16/02/2012
    • Outbreak status Resolved (05/03/2012)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 180 ? 125 ? 125 ? 55 ? 0
      • Affected Population:
        • Backyard bird population clustered in a village
  • Outbreak 2 - Tagandubba VDC 7, Tagandubba, Jhapa, MECHI
    • Date of start of the outbreak 16/02/2012
    • Outbreak status Resolved (05/03/2012)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 136 ? 93 ? 93 ? 43 ? 0
      • Affected Population:
        • Backyard bird population clustered in a small village
  • Outbreak 3 - Narsinghatappu VDC 1 and 3, Narsinghatappu, Sunsari, KOSHI
    • Date of start of the outbreak 26/02/2012
    • Outbreak status Resolved (05/03/2012)
    • Epidemiological unit Village
    • Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
      • Birds ? 152 ? 108 ? 108 ? 44 ? 0
      • Affected Population:
        • Backyard bird population clustered in a small village
• Summary of outbreaks
  • Total outbreaks: 3
  • Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
    • Birds ? 468 ? 326 ? 326 ? 142 ? 0
  • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
    • Birds - 69.66% - 69.66% - 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 followed by cleaning, disinfection, disposal and sealing of the infected premises have already been completed.
  • Post-operative surveillance activities are being intensively carried out throughout the country.
• 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) - 21/02/2012 ? Positive
      • Birds ? polymerase chain reaction (PCR) - 28/02/2012 ? Positive
• Future Reporting
  • The event is continuing. Weekly follow-up reports will be submitted.

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