Highly pathogenic avian influenza,
France
Information received on 09/12/2015 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l'alimentation, Ministère de l'Agriculture et de l'Alimentation, Paris, France
Summary
Report type Immediate notification
Date of start of the event 18/11/2015
Date of confirmation of the event 06/12/2015
Report date 08/12/2015
Date submitted to OIE 09/12/2015
Date event resolved 20/04/2016
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic avian influenza virus
Serotype H5N9
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (08/12/2015)
Follow-up report No. 1 (10/12/2015)
Follow-up report No. 2 (14/12/2015)
Follow-up report No. 3 (15/12/2015)
Follow-up report No. 4 (21/12/2015)
Follow-up report No. 5 (24/12/2015)
Follow-up report No. 6 (04/01/2016)
Follow-up report No. 7 (09/02/2016)
Follow-up report No. 8 (10/03/2016)
Follow-up report No. 9 (15/03/2016)
Follow-up report No. 10 (19/04/2016)
Follow-up report No. 11 (10/10/2016)
Follow-up report No. 12 (16/05/2017)
New outbreaks (3)
Outbreak 1 (9) JOSSE, JOSSE, Landes
Date of start of the outbreak 18/11/2015
Outbreak status Resolved (08/12/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 500 0 500 0
Affected population Serology performed on 18 November 2015 in this gavage unit for ducks as part of the national surveillance was positive. Samples were then transferred to the National Reference Laboratory, which confirmed a highly pathogenic H5 virus on 6 December 2015.
Outbreak 2 (7) BOSSET, BOSSET, Dordogne
Date of start of the outbreak 28/11/2015
Outbreak status Resolved (01/12/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 630 54 54 576 0
Affected population Ducks in gavage process showed mortality. Tests performed as part of the clinical suspicion confirmed a highly pathogenic H5N9 virus. An epidemiological link with the H5N9 outbreak identified in the Landes Department is under investigation.
Outbreak 3 (8) DOAZIT, DOAZIT, Landes
Date of start of the outbreak 02/12/2015
Outbreak status Resolved (09/12/2015)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 24500 700 700 23800 0
Affected population In a farm with 4,000 guinea fowls, 7,200 young guinea fowls, 8,800 chickens and 4,550 capons, the guinea fowls showed acute mortality. Tests performed as part of the clinical suspicion showed the presence of an H5 virus on 6 December and a virus H5N9 was confirmed on 7 December 2015.
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25630 754 ** 754 24876 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 2.94% ** 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Serotype H5N9 has been identified for the first time in France but its presence is limited to a zone (Landes and Dordogne Departments, belonging to the same region).
Control measures
Measures applied
  • Zoning
  • Surveillance within containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Surveillance outside containment and/or protection zone
  • Traceability
  • Disinfection / Disinfestation
  • Screening
  • Movement control inside the country
  • 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
National Reference Laboratory for Avian Influenza and Newcastle Disease, ANSES (National laboratory) Birds nucleotide sequencing 06/12/2015 Positive
National Reference Laboratory for Avian Influenza and Newcastle Disease, ANSES (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 06/12/2015 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations