OIE: Low pathogenic avian influenza (poultry), France

Information received on 09/10/2019 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 03/10/2019
Date of confirmation of the event 03/10/2019
Report date 09/10/2019
Date submitted to OIE 09/10/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 07/2018
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H5
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country

New outbreaks

Summary of outbreaks Total outbreaks: 1
Outbreak Location
  • Loir-Et-Cher ( Marolle en Sologne, Marolle en Sologne )
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 2600 ** 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 0.00% ** **

* 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 Free-ranging farm with mallards intended for hunting in a natural environment.
The virus was detected as part of the official planned surveillance without any clinical signs.
Neuraminidase could not be determined during confirmation.

Control measures

Measures applied
  • Movement control inside the country
  • Surveillance within containment and/or protection zone
  • Traceability
  • Zoning
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection

Diagnostic test results

Laboratory name and type ANSES - Niort-Ploufragan-Plouzané Laboratory - Ploufragan Site ( Regional Reference Laboratory )
Tests and results
Species Test Test date Result
Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 03/10/2019 Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.