nformation received on 27/11/2020 from Dr Herman Claeys, Chef du Service Politique sanitaire : Animaux et Végétaux, Directorat-général Animaux, Végétaux et Alimentation, Service Public Fédéral Santé publique, sécurité de la cha?ne alimentaire et environnement, Bruxelles, Belgium
Summary
Report type
Immediate notification
Date of start of the event
18/11/2020
Date of confirmation of the event
25/11/2020
Report date
27/11/2020
Date submitted to OIE
27/11/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
21/06/2017
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N5
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1
Menen, West-Vlaanderen
Date of start of the outbreak
18/11/2020
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
151600

600
151000
0
Affected population
Poultry farm (broilers)
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
151600
**
600
151000
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
**
0.40%
**
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

Control measures
Measures applied
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Traceability
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Stamping out
Zoning
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Disinfection
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Sciensano (National laboratory)
Birds
nucleotide sequencing
25/11/2020
Positive
Sciensano (National laboratory)
Birds
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
25/11/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.