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2021-2-26 5:46:33


OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), France
submited by kickingbird at Dec, 10, 2020 9:30 AM from OIE

Information received on 09/12/2020 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. 2
Date of start of the event 23/11/2020
Date of confirmation of the event 27/11/2020
Report date 09/12/2020
Date submitted to OIE 09/12/2020
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)
New outbreaks (1)
Outbreak 1 (SAGIR 137360) Meuvaines, Meuvaines, Calvados
Date of start of the outbreak 02/12/2020
Outbreak status Resolved (02/12/2020)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Common Shelduck:Tadorna tadorna(Anatidae) 1 1 0 0
Affected population A common shelduck (Tadorna tadorna) was found dead in the framework of the passive surveillance of wildlife by the SAGIR network (French Biodiversity Office and National Hunters´ Federation). The first-line diagnosis limited to the M protein was confirmed by the national reference laboratory using a rapid, unofficial method, followed by a sequencing method. Sequencing analyses conducted by the national reference laboratory on 8 December 2020 show that the virus is closely related to the sequences of the highly pathogenic H5 clade 2.3.4.4b viruses circulating in recent weeks in Russia, Northern Europe, and France.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Common Shelduck:Tadorna tadorna(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Common Shelduck:Tadorna tadorna(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
Anses - Ploufragan-Plouzanet-Niort Laboratory, Ploufragan site (National laboratory) Common Shelduck real-time PCR 07/12/2020 Positive
Anses - Ploufragan-Plouzanet-Niort Laboratory, Ploufragan site (National laboratory) Common Shelduck virus sequencing 08/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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