Highly pathogenic avian influenza,
Nepal
Information received on 15/02/2013 from Dr Nar Bahadur Rajwar, Director General, Department of Livestock Services, Department of Livestock Services, Lalitpur, Nepal
Summary
Report type Follow-up report No. 6
Date of start of the event 27/08/2012
Date of pre-confirmation of the event 03/09/2012
Report date 15/02/2013
Date submitted to OIE 15/02/2013
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 (5)
Outbreak 1 Anarmani, Anarmani VDC 1, Jhapa, MECHI
Date of start of the outbreak 04/02/2013
Outbreak status Resolved (12/02/2013)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 60 34 34 26 0
Affected population Backyard birds raised in a small village in free-range system
Outbreak 2 Phedibazzar, Jitpurphedi 1, Kathmandu, BAGMATI
Date of start of the outbreak 04/02/2013
Outbreak status Resolved (09/02/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 3500 1110 1110 2390 0
Affected population A commercial broiler flock 32 days old raised in a closed premises.
Outbreak 3 Nepaltar, Manamaiju 1, Kathmandu, BAGMATI
Date of start of the outbreak 04/02/2013
Outbreak status Resolved (11/02/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 7500 1440 1440 6060 0
Affected population A commercial broiler flock 33 days old raised in a closed farm
Outbreak 4 Nayapati, Nayapti VDC 7, Kathmandu, BAGMATI
Date of start of the outbreak 04/02/2013
Outbreak status Resolved (10/02/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 3000 247 247 2753 0
Affected population A commercial broiler flock 35 days old reared in a closed farm.
Outbreak 5 Sowkhel, Setidevi VDC 4, Kathmandu, BAGMATI
Date of start of the outbreak 05/02/2013
Outbreak status Resolved (10/02/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 2500 820 820 1680 0
Affected population A commercial broiler flock 33 days old raised in a closed farm
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds 16560 3651 3651 12909 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 22.05% 22.05% 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
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations