Highly pathogenic avian influenza,
Nepal
Information received on 21/09/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal
Summary
Report type Follow-up report No. 12
Date of start of the event 27/08/2012
Date of confirmation of the event 03/09/2012
Report date 21/09/2013
Date submitted to OIE 21/09/2013
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 (43)
Outbreak cluster 1 Bhaktapur Municipality and adjoining villages, BNP/Villages, Bhaktapur, Bagmati (34 outbreaks)
Date of start of the outbreak 26/07/2013
Outbreak status Resolved (17/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 266959 44493 44493 222466 0
Affected population Commercial broiler/layer and broiler parent stock raised in deep litter system within Bhaktapur Municipality Ward No. 1, 6, 12, 10 and Nakhel, Duwakot, Balkot, Chitapol, Jhaukhel, Dadhikot, Tathali, Katunje, Chaling, Sudal, Bageshowri VDCs.
Outbreak 2 Chiliya, Chiliya 6, Rupandehi, Lumbini
Date of start of the outbreak 27/07/2013
Outbreak status Resolved (01/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1300 360 360 940 0
Affected population Broiler birds raised in deep litter system
Outbreak 3 Bhadbhanjayang, Bhandbhanjayang 4, Kathmandu, Bagmati
Date of start of the outbreak 29/07/2013
Outbreak status Resolved (11/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 11980 2296 2296 9684 0
Affected population Layers and broiler birds raised in deep litter system in Bhandbhanjayang, Thankot, Purano Naikap Area
Outbreak 4 Parsauni, Parsauni, Nawalparasi, Lumbini
Date of start of the outbreak 02/08/2013
Outbreak status Resolved (07/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1200 325 325 875 0
Affected population Broiler birds in deep litter system and backyard chicken raised in nearby area in free-range system
Outbreak 5 Imadol, Imadol 8, Lalitpur, Bagmati
Date of start of the outbreak 02/08/2013
Outbreak status Resolved (07/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1000 790 790 210 0
Affected population Layer flock raised in deep litter system
Outbreak 6 Chapagaun, Chapagaun/Jharuwarashi, Lalitpur, Bagmati
Date of start of the outbreak 02/08/2013
Outbreak status Resolved (08/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 23000 1500 1500 21500 0
Affected population Broiler parent stock and day old chicks from the hatchery.
Outbreak 7 Nepathok, kusehwor Dumja 4, Sindhuli, Janakpur
Date of start of the outbreak 05/08/2013
Outbreak status Resolved (13/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 400 388 388 12 0
Affected population Culled layers birds for slaughtering purpose
Outbreak 8 Bikateshwor, Bikateshwor 2, Kavre, Bagmati
Date of start of the outbreak 08/08/2013
Outbreak status Resolved (14/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 40000 4580 4580 35420 0
Affected population Broiler parent stock raised in deep litter system
Outbreak 9 Ichangu Narayan, Ichangu, Kathmandu, Bagmati
Date of start of the outbreak 08/08/2013
Outbreak status Resolved (16/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3000 440 440 2560 0
Affected population Broiler birds raised in deep litter system
Outbreak 10 Gothatar, Gothatar, Kathmandu, Bagmati
Date of start of the outbreak 09/08/2013
Outbreak status Resolved (13/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1000 456 456 544 0
Affected population A broiler farm raised in deep litter system
Summary of outbreaks Total outbreaks: 43
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 349839 55628 55628 294211 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 15.90% 15.90% 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