Giuseppe
Emeritus
[Source: OIE, full page: (LINK). Edited.]
Highly pathogenic avian influenza, Nepal
Information received on 06/01/2013 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 06/01/2013 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
- Date of start of the event 27/08/2012
- Date of pre-confirmation of the event 03/09/2012
- Report date 06/01/2013
- Date submitted to OIE 06/01/2013
- 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 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)
- Follow-up report No. 3 (06/01/2013)
- New outbreaks (4)
- Outbreak 1 - Ramkot 6, Ramkot, Kathmandu, BAGMATI
- Date of start of the outbreak 11/12/2012
- Outbreak status Resolved (28/12/2012)
- Epidemiological unit Farm
- Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - 1968 ? 1968 ? 1968 ? 0 ? 0
- Affected population Broiler parent farm
- Outbreak 2 - Sitapaila 1, Sitapaila 1, Kathmandu, BAGMATI
- Date of start of the outbreak 25/12/2012
- Outbreak status Resolved (28/12/2012)
- Epidemiological unit Farm
- Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - 3000 ? 760 ? 760 ? 2240 ? 0
- Affected population Commercial layer farm
- Outbreak 3 - Raigaon, Chaughada 1, Nuwakot, BAGMATI
- Date of start of the outbreak 30/12/2012
- Outbreak status Resolved (03/01/2013)
- Epidemiological unit Farm
- Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - 499 ? 101 ? 101 ? 398 ? 0
- Affected population Local birds raised in a village in a free-range system
- Outbreak 4 - Sitapaila 1, Sitapaila 1, Kathmandu, BAGMATI
- Date of start of the outbreak 31/12/2012
- Outbreak status Resolved (03/01/2013)
- Epidemiological unit Farm
- Affected animals: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds - 3000 ? 360 ? 360 ? 2640 ? 0
- Affected population Commercial layer farm
- Outbreak 1 - Ramkot 6, Ramkot, Kathmandu, BAGMATI
- Summary of outbreaks
- Total outbreaks: 4
- Total animals affected: Species ? Susceptible ? Cases ? Deaths ? Destroyed ? Slaughtered
- Birds ? 8467 ? 3189 ? 3189 ? 5278 ? 0
- Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
- Birds - 37.66% - 37.66% - 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
- 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) - 23/12/2012 ? Positive
- Central Veterinary Laboratory (National laboratory) ? Birds - rapid tests - 23/12/2012 ? 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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