Highly pathogenic avian influenza,
Nepal
Information received on 11/04/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal
Summary
Report type Follow-up report No. 7
Date of start of the event 27/08/2012
Date of confirmation of the event 03/09/2012
Report date 11/04/2013
Date submitted to OIE 11/04/2013
Date event resolved 10/10/2013
Reason for notification Recurrence 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 (9)
Outbreak 1 Kumarkhod 6, Kumarkhod, Jhapa, Mechi
Date of start of the outbreak 12/02/2013
Outbreak status Resolved (07/04/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 60 34 34 26 0
Affected population Backyard birds in a small village reared in free range system
Outbreak 2 Fungling 3, Fungling, Taplejung, Mechi
Date of start of the outbreak 22/02/2013
Outbreak status Resolved (07/04/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 663 31 31 632 0
Affected population Backyard birds of different age group raised in free range system.
Outbreak 3 Chandragadi 4, Chandragadi, Jhapa, Mechi
Date of start of the outbreak 24/02/2013
Outbreak status Resolved (07/04/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 102 33 33 69 0
Affected population Backyard birds of different age group raised in free range system
Outbreak 4 Bhadrapur N P 10, Bhadrapur, Jhapa, Mechi
Date of start of the outbreak 04/03/2013
Outbreak status Resolved (08/04/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 111 30 30 81 0
Affected population Backyard birds of different age group raised in free range system.
Outbreak 5 Prithivinagar 5, Prithivinagar, Jhapa, Mechi
Date of start of the outbreak 04/03/2013
Outbreak status Resolved (09/04/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 350 198 198 152 0
Affected population A commercial broiler flock of 32 days
Outbreak 6 Mukundapur 7, Harkapur, Nawalparasi, Lumbini
Date of start of the outbreak 14/03/2013
Outbreak status Resolved (04/04/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1600 1600 1600 0 0
Affected population A commercial layer flock of 44 weeks raised in a confined area
Outbreak 7 Bharatpur N P 8, Sharadpur, Chitwan, Narayani
Date of start of the outbreak 25/03/2013
Outbreak status Resolved (03/04/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4000 1800 1800 2200 0
Affected population A commercial layer farm with birds of 29 weeks raised in a closed farming system.
Outbreak 8 Bahundagi 1, Bahundagi, Jhapa, Mechi
Date of start of the outbreak 27/03/2013
Outbreak status Resolved (05/04/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 4000 250 250 3750 0
Affected population A commercial layer farm of 19 weeks raised in a closed confined area
Outbreak 9 Mechinagar 10, Mechinagar, Jhapa, Mechi
Date of start of the outbreak 30/03/2013
Outbreak status Resolved (06/04/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 15 6 6 9 0
Affected population Backyard birds of different age group raised in free range system
Summary of outbreaks Total outbreaks: 9
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10901 3982 3982 6919 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 36.53% 36.53% 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
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Dipping / Spraying for control of vectors or parasites
  • Quarantine
  • Stamping out
  • Control of wildlife reservoirs
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations