Highly pathogenic avian influenza,
Nepal
Information received on 21/01/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal
Summary
Report type Follow-up report No. 5
Date of start of the event 27/08/2012
Date of pre-confirmation of the event 03/09/2012
Report date 21/01/2013
Date submitted to OIE 21/01/2013
Date event resolved 10/10/2013
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)
Follow-up report No. 4 (18/01/2013)
Follow-up report No. 5 (21/01/2013)
Follow-up report No. 6 (15/02/2013)
Follow-up report No. 7 (11/04/2013)
Follow-up report No. 8 (26/05/2013)
Follow-up report No. 9 (30/06/2013)
Follow-up report No. 10 (09/09/2013)
Follow-up report No. 11 (11/09/2013)
Follow-up report No. 12 (21/09/2013)
Follow-up report No. 13 (12/11/2013)
Follow-up report No. 14 (03/01/2014)
New outbreaks (4)
Outbreak 1 Kosheghari, Pokhara Sub Metro Polis 17, Kaski, GANDAKI
Date of start of the outbreak 02/01/2013
Outbreak status Resolved (16/01/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1100 272 272 828 0
Affected population A commercial broiler farm with birds raised in an intensive farming system
Outbreak 2 Sedibagar, Sarangkot - 7, Kaski, GANDAKI
Date of start of the outbreak 06/01/2013
Outbreak status Resolved (16/01/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 1605 600 600 1005 0
Affected population A commercial broiler farm with birds raised in an intensive farming system
Outbreak 3 Simpani, Pokhara Sub Metro Polis 1, Kaski, GANDAKI
Date of start of the outbreak 06/01/2013
Outbreak status Resolved (16/01/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 255 150 150 105 0
Affected population A commercial broiler farm with birds raised in an intensive farming system
Outbreak 4 Batulechaur, Pokhara Sub Metro Polis 16, Kaski, GANDAKI
Date of start of the outbreak 06/01/2013
Outbreak status Resolved (16/01/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 200 90 90 110 0
Affected population A commercial broiler farm with birds raised in an intensive farming system
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 3160 1112 1112 2048 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 35.19% 35.19% 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 respiratory distress, nervous signs and all affected birds died. Cleaning and disinfection activities in the infected premises are completed. Intensive surveillance activities are ongoing throughout the country.
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) 13/01/2013 Positive
Central Veterinary Laboratory (National laboratory) Birds rapid tests 13/01/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations