Low pathogenic avian influenza (poultry),
Information received on 12/01/2021 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l'alimentation, Ministère de l'Agriculture et de l'Alimentation, Paris, France
Report type Immediate notification
Date of start of the event 07/01/2021
Date of confirmation of the event 08/01/2021
Report date 12/01/2021
Date submitted to OIE 12/01/2021
Reason for notification Recurrence of a listed disease
Date of previous occurrence 03/12/2019
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H5N3
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (IA-2021-0709) EAUZE, EAUZE, Gers
Date of start of the outbreak 07/01/2021
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1173 0 1173 0
Affected population Farm with force-fed ducks, located in the surveillance zone of a highly pathogenic avian influenza outbreak. Active surveillance prior to movement to the slaughterhouse. All birds have been euthanised and the carcasses destroyed.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1173 ** 0 1173 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 0.00% ** 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Ducks confined indoors, no epidemiological link identified with another farm. Screening by a local laboratory, confirmation and sequencing by the national reference laboratory of a low pathogenic H5N3 virus.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance within containment and/or protection zone
  • Traceability
  • Stamping out
  • Zoning
  • Disinfection
  • 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
Anses - Ploufragan-Plouzané-Niort laboratory, Ploufragan site (National laboratory) Birds virus sequencing 08/01/2021 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations