OIE: Highly pathogenic avian influenza(H5N8), France

Summary
Report type Follow-up report No. 30
Date of start of the event 25/11/2016
Date of confirmation of the event 01/12/2016
Report date 04/04/2017
Date submitted to OIE 04/04/2017
Reason for notification New strain of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (02/12/2016)
Follow-up report No. 1 (02/12/2016)
Follow-up report No. 2 (05/12/2016)
Follow-up report No. 3 (08/12/2016)
Follow-up report No. 4 (09/12/2016)
Follow-up report No. 5 (12/12/2016)
Follow-up report No. 6 (15/12/2016)
Follow-up report No. 7 (16/12/2016)
Follow-up report No. 8 (19/12/2016)
Follow-up report No. 9 (20/12/2016)
Follow-up report No. 10 (21/12/2016)
Follow-up report No. 11 (21/12/2016)
Follow-up report No. 12 (22/12/2016)
Follow-up report No. 13 (23/12/2016)
Follow-up report No. 14 (23/12/2016)
Follow-up report No. 15 (26/12/2016)
Follow-up report No. 16 (30/12/2016)
Follow-up report No. 17 (09/01/2017)
Follow-up report No. 18 (13/01/2017)
Follow-up report No. 19 (20/01/2017)
Follow-up report No. 20 (27/01/2017)
Follow-up report No. 21 (03/02/2017)
Follow-up report No. 22 (10/02/2017)
Follow-up report No. 23 (17/02/2017)
Follow-up report No. 24 (24/02/2017)
Follow-up report No. 25 (03/03/2017)
Follow-up report No. 26 (10/03/2017)
Follow-up report No. 27 (17/03/2017)
Follow-up report No. 28 (28/03/2017)
Follow-up report No. 29 (03/04/2017)
Follow-up report No. 30 (04/04/2017)
New outbreaks (4)
Outbreak 1 (349) DONZACQ, DONZACQ, LANDES
Date of start of the outbreak 15/02/2017
Outbreak status Resolved (15/02/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds
Affected population Samples taken within the framework of the depopulation of palmipeds in the unstabilised area. The Reference national laboratory identified the virus H5.
Outbreak 2 (350) MISSON, MISSON, LANDES
Date of start of the outbreak 15/02/2017
Outbreak status Resolved (15/02/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds
Affected population Samples taken within the framework of the depopulation of palmipeds in the unstabilised area. The Reference national laboratory identified the virus H5.
Outbreak 3 (484) SORT EN CHALOSSE, SORT EN CHALOSSE, LANDES
Date of start of the outbreak 18/02/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds
Affected population Samples taken within the framework of a clinical suspicion in a guinea fowls farm.
Outbreak 4 (348) CAUPENNE, CAUPENNE, LANDES
Date of start of the outbreak 18/02/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds
Affected population Samples taken in readiness for a movement out of the surveillance zone for slaughtering.
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Birds **
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** ** ** **
*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
Control measures
Measures applied
  • Screening
  • Disinfection / Disinfestation
  • Traceability
  • Surveillance outside containment and/or protection zone
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Surveillance within containment and/or protection zone
  • Control of wildlife reservoirs
  • Zoning
  • 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
Reference national laboratory, Ploufragan (National laboratory) Birds nucleotide sequencing 23/02/2017 Positive
Reference national laboratory, Ploufragan (National laboratory) Birds nucleotide sequencing 24/02/2017 Positive
Reference national laboratory, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 23/02/2017 Positive
Reference national laboratory, Ploufragan (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 24/02/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.