Information received on 18/12/2020 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. 4
Date of start of the event
18/11/2020
Date of confirmation of the event
27/11/2020
Report date
18/12/2020
Date submitted to OIE
18/12/2020
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)
New outbreaks (3)

Outbreak 1 (SAGIR 121680)
Penta-di-Casinca, Penta-di-Casinca, Haute-Corse
Date of start of the outbreak
18/11/2020
Outbreak status
Resolved (18/11/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae)

1
1
0
0
Affected population
The first-line results were negative for H5 but a complete sequencing (NGS) carried out by the National Reference Laboratory enabled to identify H5 HPN8 virus on these weak signals.
Outbreak 2 (SAGIR 147210)
BORGO, BORGO, Haute-Corse
Date of start of the outbreak
18/11/2020
Outbreak status
Resolved (18/11/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Herring Gull:Larus argentatus(Laridae)

1
1
0
0
Affected population
The first-line results were negative for H5 but a complete sequencing (NGS) carried out by the National Reference Laboratory enabled to identify H5 HPN8 virus on these weak signals.
Outbreak 3 (SAGIR 1313 FDC)
SAINTES MARIES DE LA MER, SAINTES MARIES DE LA MER, Bouches-Du-Rh?ne
Date of start of the outbreak
04/12/2020
Outbreak status
Resolved (04/12/2020)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Greylag Goose:Anser anser(Anatidae)

1
1
0
0
Affected population
The case was discovered by the Hunters’federation. The goose was found dying on the Consecanière pond, at a place called Frigoulès. It was showing respiratory symptoms.
Summary of outbreaks
Total outbreaks: 3
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae)

1
1
0
0
Herring Gull:Larus argentatus(Laridae)

1
1
0
0
Greylag Goose:Anser anser(Anatidae)

1
1
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae)
**
**
100.00%
**
Herring Gull:Larus argentatus(Laridae)
**
**
100.00%
**
Greylag Goose:Anser anser(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)
Eurasian buzzard (common buzzard)
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
15/12/2020
Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory)
Eurasian buzzard (common buzzard)
virus sequencing
15/12/2020
Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory)
Greylag Goose
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
15/12/2020
Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory)
Greylag Goose
virus sequencing
16/12/2020
Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory)
Herring Gull
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
15/12/2020
Positive
Ploufragan-Plouzané-Niort Laboratory, Ploufragan site, ANSES (National laboratory)
Herring Gull
virus sequencing
15/12/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.