Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Belgium
Information received on 24/12/2020 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 chaîne alimentaire et environnement, Bruxelles, Belgium
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 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)
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.
Map of outbreak locations