Summary
Report type
Follow-up report No. 5
Date of start of the event
04/11/2020
Date of confirmation of the event
13/11/2020
Report date
24/12/2020
Date submitted to OIE
24/12/2020
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 pathog鑞e
Serotype
H5
Nature of diagnosis
Clinical, Laboratory (advanced), Necropsy
This event pertains to
the whole 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)
New outbreaks (2)

Outbreak 1
Knokke, West-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
Greylag Goose:Anser anser(Anatidae)

1
1
0

Outbreak 2
Brugge, West-Vlaanderen
Date of start of the outbreak
28/11/2020
Outbreak status
Resolved (28/11/2020)
Epidemiological unit
Other
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Pink-footed Goose:Anser brachyrhynchus(Anatidae)

1
1
0

Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Greylag Goose:Anser anser(Anatidae)

1
1
0

Pink-footed Goose:Anser brachyrhynchus(Anatidae)

1
1
0

Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Greylag Goose:Anser anser(Anatidae)
**
**
100.00%
**
Pink-footed Goose:Anser brachyrhynchus(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 permitted (if a vaccine exists)
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)
Greylag Goose
nucleotide sequencing
23/12/2020
Positive
Sciensano (National laboratory)
Greylag Goose
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
21/12/2020
Positive
Sciensano (National laboratory)
Greylag Goose
virus isolation
23/12/2020
Positive
Sciensano (National laboratory)
Pink-footed Goose
nucleotide sequencing
23/12/2020
Positive
Sciensano (National laboratory)
Pink-footed Goose
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
21/12/2020
Positive
Sciensano (National laboratory)
Pink-footed Goose
virus isolation
23/12/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.