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2021-1-17 17:18:29


OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), Netherlands
submited by kickingbird at Oct, 24, 2020 8:45 AM from OIE

Information received on 23/10/2020 from Dr Christianne Bruschke, Chief Veterinary Officer , Agriculture, Nature and Food Quality, Ministry of Agriculture, Nature and Food Quality, The Hague, Netherlands
Summary
Report type Immediate notification
Date of start of the event 17/10/2020
Date of confirmation of the event 20/10/2020
Report date 23/10/2020
Date submitted to OIE 23/10/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/09/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
New outbreaks (1)
Outbreak 1 Kockengen, Utrecht
Date of start of the outbreak 17/10/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(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
  • Unknown or inconclusive
Epidemiological comments On October 17th, two mute swans (Cygnus olor) were found in a wetland area. On October 20th, the National Reference Laboratory confirmed highly pathogenic influenza virus H5N8 in the samples from the two dead mute swans.
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
Wageningen Bioveterinary Research National Reference Laboratory, Lelystad (National laboratory) Mute Swan polymerase chain reaction (PCR) 20/10/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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