Information received on 31/12/2020 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. 5
Date of start of the event
18/11/2020
Date of confirmation of the event
27/11/2020
Report date
30/12/2020
Date submitted to OIE
31/12/2020
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)
New outbreaks (1)

Outbreak 1 (SAGIR 153403)
Saint Geours de Maremne, Saint Geours de Maremne, Landes
Date of start of the outbreak
17/12/2020
Outbreak status
Resolved (17/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Black-headed Gull:Larus ridibundus(Laridae)

1
1
0
0
Affected population
A black-headed gull found dead on the open-air course of a fat palmipede breeding farm.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Black-headed Gull:Larus ridibundus(Laridae)

1
1
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Black-headed Gull:Larus ridibundus(Laridae)
**
**
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)
Black-headed Gull
virus sequencing
22/12/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.