Information received on 22/01/2021 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. 8
Date of start of the event
04/11/2020
Date of confirmation of the event
13/11/2020
Report date
22/01/2021
Date submitted to OIE
22/01/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
12/07/2017
Manifestation of disease
Clinical disease
Causal agent
Virus de l´influenza aviaire hautement pathogène
Serotype
H5
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)
Follow-up report No. 4 (11/12/2020)
Follow-up report No. 5 (24/12/2020)
Follow-up report No. 6 (06/01/2021)
Follow-up report No. 7 (15/01/2021)
Follow-up report No. 8 (22/01/2021)
New outbreaks (1)

Outbreak 1
Gentbrugge, Oost-Vlaanderen
Date of start of the outbreak
11/01/2021
Outbreak status
Resolved (11/01/2021)
Epidemiological unit
Other
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Herring Gull:Larus argentatus(Laridae)

1
1


Affected population
H5N8
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Herring Gull:Larus argentatus(Laridae)

1
1


Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Herring Gull:Larus argentatus(Laridae)
**
**
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
Sciensano (National laboratory)
Herring Gull
nucleotide sequencing
18/01/2021
Positive
Sciensano (National laboratory)
Herring Gull
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
14/01/2021
Positive
Sciensano (National laboratory)
Herring Gull
virus isolation
20/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.