OIE: Low pathogenic avian influenza (poultry, H5N3), France

Summary
Report type
Immediate notification
Date of start of the event
07/01/2021
Date of confirmation of the event
08/01/2021
Report date
12/01/2021
Date submitted to OIE
12/01/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
03/12/2019
Manifestation of disease
Sub-clinical infection
Causal agent
Low pathogenic avian influenza virus
Serotype
H5N3
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1 (IA-2021-0709)
EAUZE, EAUZE, Gers
Date of start of the outbreak
07/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1173

0
1173
0
Affected population
Farm with force-fed ducks, located in the surveillance zone of a highly pathogenic avian influenza outbreak. Active surveillance prior to movement to the slaughterhouse. All birds have been euthanised and the carcasses destroyed.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1173
**
0
1173
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
**
0.00%
**
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
Unknown or inconclusive
Epidemiological comments
Ducks confined indoors, no epidemiological link identified with another farm. Screening by a local laboratory, confirmation and sequencing by the national reference laboratory of a low pathogenic H5N3 virus.

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
Anses - Ploufragan-Plouzan?-Niort laboratory, Ploufragan site (National laboratory)
Birds
virus sequencing
08/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.