Information received on 19/01/2021 from Dr Loic Evain, Directeur Général adjoint, CVO, Direction générale de l´alimentation, Ministère de l´Agriculture et de l´Alimentation, Paris, France
Summary
Report type
Follow-up report No. 6
Date of start of the event
18/11/2020
Date of confirmation of the event
27/11/2020
Report date
19/01/2021
Date submitted to OIE
19/01/2021
Reason for notification
First occurrence of a listed disease
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Laboratory (advanced), Necropsy
This event pertains to
a defined zone within the country
Related reports
Immediate notification (01/12/2020)
Follow-up report No. 1 (07/12/2020)
Follow-up report No. 2 (09/12/2020)
Follow-up report No. 3 (14/12/2020)
Follow-up report No. 4 (18/12/2020)
Follow-up report No. 5 (30/12/2020)
Follow-up report No. 6 (19/01/2021)
New outbreaks (1)

Outbreak 1 (SAGIR 129330)
ARTHUN, ARTHUN, Loire
Date of start of the outbreak
08/01/2021
Outbreak status
Resolved (08/01/2021)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

5
5
0
0
Affected population
Swan carcasses collected from several ponds close to each other, all located in an area considered to be at particular risk.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

5
5
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae)
**
**
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
Contact with wild species

Control measures
Measures applied
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)
Mute Swan
virus sequencing
14/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.