Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
United Kingdom
Information received on 23/12/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Summary
Report type Follow-up report No. 5
Date of start of the event 03/11/2020
Date of confirmation of the event 08/11/2020
Report date 23/12/2020
Date submitted to OIE 23/12/2020
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
Related reports Immediate notification (09/11/2020)
Follow-up report No. 1 (12/11/2020)
Follow-up report No. 2 (18/11/2020)
Follow-up report No. 3 (11/12/2020)
Follow-up report No. 4 (18/12/2020)
Follow-up report No. 5 (23/12/2020)
Follow-up report No. 6 (31/12/2020)
Follow-up report No. 7 (08/01/2021)
Follow-up report No. 8 (15/01/2021)
New outbreaks (8)
Outbreak 1 (WB 2020-01) Nr Stroud, Gloucestershire, England
Date of start of the outbreak 21/11/2020
Outbreak status Resolved (21/11/2020)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Mute Swan:Cygnus olor(Anatidae) 2 2 0 0
Outbreak 2 (WB-2020-47) Sunderland, Tyne and Wear, England
Date of start of the outbreak 01/12/2020
Outbreak status Resolved (01/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Cygnus (unidentified):Cygnus (incognita)(Anatidae) 1 1 0 0
Outbreak 3 (WB 2020-08) Godmanchester, Huntingdonshire, England
Date of start of the outbreak 08/12/2020
Outbreak status Resolved (08/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak 4 (WB 2020-11) Peterborough, Fenland, England
Date of start of the outbreak 10/12/2020
Outbreak status Resolved (10/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak 5 (WB 2020-30) Kings Lynn, Kings Lynn and West Norfolk, England
Date of start of the outbreak 12/12/2020
Outbreak status Resolved (12/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Outbreak 6 (WB 2020-04) Nr Lancashire, Lancashire, England
Date of start of the outbreak 13/12/2020
Outbreak status Resolved (13/12/2020)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Greylag Goose:Anser anser(Anatidae) 1 1 0 0
Whooper Swan:Cygnus cygnus(Anatidae) 1 1 0 0
Outbreak 7 (WB 2020-32) Stratford-on-Avon, Stratford-on-Avon, England
Date of start of the outbreak 14/12/2020
Outbreak status Resolved (14/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak 8 (WB 2020-23) Dorchester, Dorset, England
Date of start of the outbreak 15/12/2020
Outbreak status Resolved (15/12/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 3 3 0 0
Summary of outbreaks Total outbreaks: 8
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Canada Goose:Branta canadensis(Anatidae) 2 2 0 0
Mute Swan:Cygnus olor(Anatidae) 9 9 0 0
Cygnus (unidentified):Cygnus (incognita)(Anatidae) 1 1 0 0
Whooper Swan:Cygnus cygnus(Anatidae) 2 2 0 0
Greylag Goose:Anser anser(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Canada Goose:Branta canadensis(Anatidae) ** ** 100.00% **
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Cygnus (unidentified):Cygnus (incognita)(Anatidae) ** ** 100.00% **
Whooper Swan:Cygnus cygnus(Anatidae) ** ** 100.00% **
Greylag Goose:Anser anser(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
  • Official disposal of carcasses, by-products and waste
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Agri-Food and Biosciences Institute (National laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 20/11/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Canada Goose gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Canada Goose reverse transcription - polymerase chain reaction (RT-PCR) 07/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Canada Goose reverse transcription - polymerase chain reaction (RT-PCR) 12/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Canada Goose reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Canada Goose reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) gene sequencing 14/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) reverse transcription - polymerase chain reaction (RT-PCR) 11/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) reverse transcription - polymerase chain reaction (RT-PCR) 14/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Cygnus (unidentified) reverse transcription - polymerase chain reaction (RT-PCR) 14/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Greylag Goose gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Greylag Goose reverse transcription - polymerase chain reaction (RT-PCR) 22/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan gene sequencing 13/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 07/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 09/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 12/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 14/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Mute Swan reverse transcription - polymerase chain reaction (RT-PCR) 22/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan gene sequencing 16/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 07/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 14/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 21/12/2020 Positive
Animal and Plant Health Agency (APHA), Weybridge (Regional Reference Laboratory) Whooper Swan reverse transcription - polymerase chain reaction (RT-PCR) 14/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations