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2021-1-24 2:08:58

OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), United Kingdom
submited by kickingbird at Nov, 13, 2020 10:5 AM from OIE

Information received on 11/11/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Report type Immediate notification
Date of start of the event 05/11/2020
Date of confirmation of the event 09/11/2020
Report date 11/11/2020
Date submitted to OIE 11/11/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 26/07/2017
Manifestation of disease Sub-clinical infection
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (WB 2020/02) DEVON, DEVON, England
Date of start of the outbreak 05/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Black Swan:Cygnus atratus(Anatidae) 5 5 0 0
Affected population Wild Black Swans, unable to ascertain and provide the number of susceptible animals
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Black Swan:Cygnus atratus(Anatidae) 5 5 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Black Swan:Cygnus atratus(Anatidae) ** ** 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
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
Weybridge (OIE Reference Laboratory) Black Swan gene sequencing 09/11/2020 Positive
Weybridge (OIE Reference Laboratory) Black Swan reverse transcription - polymerase chain reaction (RT-PCR) 08/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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