Information received on 04/12/2020 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 Follow-up report No. 3
Date of start of the event 04/11/2020
Date of confirmation of the event 13/11/2020
Report date 04/12/2020
Date submitted to OIE 04/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 12/07/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (16/11/2020)
Follow-up report No. 1 (22/11/2020)
Follow-up report No. 2 (27/11/2020)
Follow-up report No. 3 (04/12/2020)
New outbreaks (4)
Outbreak 1 Sint-Amandsberg, Oost-Vlaanderen
Date of start of the outbreak 22/11/2020
Outbreak status Resolved (22/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Affected population H5N8
Outbreak 2 Gent, Oost-Vlaanderen
Date of start of the outbreak 24/11/2020
Outbreak status Resolved (24/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Great Crested Grebe:Podiceps cristatus(Podicipedidae) 1 1 0 0
Affected population H5N8
Outbreak 3 Destelbergen, Oost-Vlaanderen
Date of start of the outbreak 24/11/2020
Outbreak status Resolved (24/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Common Wood-Pigeon:Columba palumbus(Columbidae) 1 1 0 0
Affected population H5, N unknown
Outbreak 4 Diksmuide, West-Vlaanderen
Date of start of the outbreak 26/11/2020
Outbreak status Resolved (26/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Egyptian Goose:Alopochen aegyptiaca(Anatidae) 1 1 0 0
Affected population H5, N unknown
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Great Crested Grebe:Podiceps cristatus(Podicipedidae) 1 1 0 0
Common Wood-Pigeon:Columba palumbus(Columbidae) 1 1 0 0
Egyptian Goose:Alopochen aegyptiaca(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Canada Goose:Branta canadensis(Anatidae) ** ** 100.00% **
Great Crested Grebe:Podiceps cristatus(Podicipedidae) ** ** 100.00% **
Common Wood-Pigeon:Columba palumbus(Columbidae) ** ** 100.00% **
Egyptian Goose:Alopochen aegyptiaca(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
Introduction of new live animals
Contact with wild species
Control measures
Measures applied
Quarantine
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
Sciensano (National laboratory) Canada Goose nucleotide sequencing 03/12/2020 Positive
Sciensano (National laboratory) Canada Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/12/2020 Positive
Sciensano (National laboratory) Common Wood-Pigeon nucleotide sequencing 03/12/2020 Positive
Sciensano (National laboratory) Common Wood-Pigeon real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/12/2020 Positive
Sciensano (National laboratory) Egyptian Goose nucleotide sequencing 03/12/2020 Positive
Sciensano (National laboratory) Egyptian Goose real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 30/11/2020 Positive
Sciensano (National laboratory) Great Crested Grebe nucleotide sequencing 03/12/2020 Positive
Sciensano (National laboratory) Great Crested Grebe real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 01/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.