Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Belgium
Information received on 22/11/2020 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 chaîne alimentaire et environnement, Bruxelles, Belgium
Summary
Report type Follow-up report No. 1
Date of start of the event 04/11/2020
Date of confirmation of the event 13/11/2020
Report date 22/11/2020
Date submitted to OIE 22/11/2020
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)
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 (3)
Outbreak 1 Wenduine, West-Vlaanderen
Date of start of the outbreak 12/11/2020
Outbreak status Resolved (12/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Curlew:Numenius arquata(Scolopacidae) 1 1 0 0
Outbreak 2 Leffinge, West-Vlaanderen
Date of start of the outbreak 18/11/2020
Outbreak status Resolved (18/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Herring Gull:Larus argentatus(Laridae) 1 1 0 0
Outbreak 3 Oudenburg, West-Vlaanderen
Date of start of the outbreak 18/11/2020
Outbreak status Resolved (18/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Common magpie:Pica pica(Corvidae) 1 1 0 0
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Curlew:Numenius arquata(Scolopacidae) 1 1 0 0
Herring Gull:Larus argentatus(Laridae) 1 1 0 0
Common magpie:Pica pica(Corvidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Eurasian Curlew:Numenius arquata(Scolopacidae) ** ** 100.00% **
Herring Gull:Larus argentatus(Laridae) ** ** 100.00% **
Common magpie:Pica pica(Corvidae) ** ** 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) Common magpie real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 18/11/2020 Positive
Sciensano (National laboratory) Eurasian Curlew real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 18/11/2020 Positive
Sciensano (National laboratory) Herring Gull real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 18/11/2020 Positive
Sciensano (National laboratory) Mute Swan real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 18/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations