Highly pathogenic avian influenza,
Information received on 08/01/2015 from Dr Martine Dubuc, OIE Delegate for Canada, Chief Food Safety Officer Vice-President, Science Branch, Health Ministry, Canadian Food Inspection Agency, Ottawa, Canada
Report type Follow-up report No. 4
Date of start of the event 30/11/2014
Date of confirmation of the event 01/12/2014
Report date 08/01/2015
Date submitted to OIE 08/01/2015
Date event resolved 25/03/2015
Reason for notification Recurrence of a listed disease
Date of previous occurrence 01/2008
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N2
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (03/12/2014)
Follow-up report No. 1 (09/12/2014)
Follow-up report No. 2 (12/12/2014)
Follow-up report No. 3 (19/12/2014)
Follow-up report No. 4 (08/01/2015)
Follow-up report No. 5 (21/04/2015)
Follow-up report No. 6 (05/06/2015)
New outbreaks (1)
Outbreak 1 (BC-2014-NAI-012) Langley, British Columbia
Date of start of the outbreak 19/12/2014
Outbreak status Resolved (15/03/2015)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 85 12 3 82 0
Affected population BC-2014-NAI-012 Hobby breeder, non-commercial flock with a variety of birds (ducks, geese, turkeys, chickens).
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 85 12 3 82 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 14.12% 3.53% 25.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The only new outbreak in this report is a non-commercial (backyard) flock located in the same area than all other outbreaks in the province of British Columbia. Depopulation of all infected farms was finalized on 20 December 2014. Cleaning and disinfection of infected premises is underway, under the supervision of the Canadian Food Inspection Agency (CFIA). Movement restrictions and enhanced surveillance within the primary control zone established by the CFIA continue to apply. The Canadian Avian Influenza Surveillance System (CanNAISS) is still ongoing in the rest of Canada.
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Disinfection / Disinfestation
  • Quarantine
  • Stamping out
  • Zoning
  • 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