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Highly pathogenic avian influenza H5N1, Nepal (OIE, December 26 2012): 1 New Poultry Outbreak, Bagmati

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  • Highly pathogenic avian influenza H5N1, Nepal (OIE, December 26 2012): 1 New Poultry Outbreak, Bagmati

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


    Highly pathogenic avian influenza, Nepal


    Information received on 24/12/2012 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal
    • Summary
      • Report type Follow-up report No. 2
      • Date of start of the event 27/08/2012
      • Date of pre-confirmation of the event 03/09/2012
      • Report date 24/12/2012
      • Date submitted to OIE 24/12/2012
      • Reason for notification Reoccurrence of a listed disease
      • Date of previous occurrence 30/03/2012
      • 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 (14/10/2012)
        • Follow-up report No. 1 (02/11/2012)
        • Follow-up report No. 2 (24/12/2012)
    • New outbreaks (1)
      • Outbreak 1 - Dharke, Naubise VDC 1, Dhading, BAGMATI
        • Date of start of the outbreak 13/12/2012
        • Outbreak status Continuing (or date resolved not provided)
        • Epidemiological unit Farm
        • Affected animals: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds - 3000 2850 2850 150 0
          • Affected population: A commercial farm with 42-day-old broiler chicken reared in a closed farm premises.
    • Summary of outbreaks
      • Total outbreaks: 1
        • Total animals affected: Species Susceptible Cases Deaths Destroyed Slaughtered
          • Birds 3000 2850 2850 150 0
        • Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
          • Birds - 95.00% - 95.00% - 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 swollen head with respiratory distress and started to die.
      • High morbidity and mortality were recorded in the affected farm.
      • All remaining birds, poultry product and poultry production materials were destroyed and disposed as per the standard operating procedure.
      • Cleaning and disinfection activities are being continued.
      • Intensive surveillance activities are ongoing throughout the country.
      • The neuraminidase type is not yet known.
    • Control measures
      • Measures applied
        • Control of wildlife reservoirs
        • 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 Species Test - Test date Result
        • Central Veterinary Laboratory (National laboratory) Birds - polymerase chain reaction (PCR) - 18/12/2012 Positive
        • Central Veterinary Laboratory (National laboratory) Birds - rapid tests - 18/10/2012 Positive
    • Future Reporting
      • The event is continuing. Weekly follow-up reports will be submitted.
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