Highly pathogenic avian influenza,
France
Information received on 24/12/2020 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 Follow-up report No. 7
Date of start of the event 07/11/2020
Date of confirmation of the event 16/11/2020
Report date 24/12/2020
Date submitted to OIE 24/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 27/10/2017
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 (16/11/2020)
Follow-up report No. 1 (23/11/2020)
Follow-up report No. 2 (07/12/2020)
Follow-up report No. 3 (10/12/2020)
Follow-up report No. 4 (14/12/2020)
Follow-up report No. 5 (18/12/2020)
Follow-up report No. 6 (22/12/2020)
Follow-up report No. 7 (24/12/2020)
Follow-up report No. 8 (31/12/2020)
Follow-up report No. 9 (06/01/2021)
Follow-up report No. 10 (08/01/2021)
New outbreaks (2)
Outbreak 1 (IA-2020-0553) LABATUT-RIVIERE, LABATUT-RIVIERE, Hautes-Pyrénées
Date of start of the outbreak 19/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 700 700 146 554 0
Affected population Fattened ducks for force-feeding showed abnormal mortality. The diagnosis of HPAI virus H5N8 clade 2.3.4.4.b was confirmed by the national reference laboratory.
Outbreak 2 (IA-2020-0557) ST MAURICE des NOUES, ST MAURICE des NOUES, Vendée
Date of start of the outbreak 21/12/2020
Outbreak status Resolved (15/01/2021)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5000 5000 50 4950 0
Affected population A guinea fowl farm in the protection zone for outbreak IA-2020-517 was detected within the programmed surveillance. The detection of the HPAI H5N8 virus, clade 2.3.4.4.b, was confirmed by the national reference laboratory.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 5700 5700 196 5504 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 100.00% 3.44% 3.44% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • Fomites (humans, vehicles, feed, etc.)
  • Contact with wild species
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
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 22/12/2020 Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 23/12/2020 Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory) Birds virus sequencing 23/12/2020 Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory) Birds virus sequencing 24/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations