Giuseppe
Emeritus
[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
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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.
- Outbreak 1 - Dharke, Naubise VDC 1, Dhading, BAGMATI
- 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
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Total outbreaks: 1
- Epidemiology
- Source of the outbreak(s) or origin of infection
- Unknown or inconclusive
- Source of the outbreak(s) or origin of infection
- 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
- Measures applied
- 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
- Laboratory name and type ? Species ? Test - Test date ? Result
- Future Reporting
- The event is continuing. Weekly follow-up reports will be submitted.
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