Information received on 18/11/2020 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. 2
Date of start of the event 03/11/2020
Date of confirmation of the event 08/11/2020
Report date 18/11/2020
Date submitted to OIE 18/11/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 26/07/2017
Manifestation of disease Clinical disease
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)
New outbreaks (4)
Outbreak 1 (WB 2020/02) Nr Dawlish, Devonshire, 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 Black Swans
Outbreak 2 (WB Northern Ireland-1) Nr Lough Beg, Between County Londonderry and County Antrim, Northern Ireland
Date of start of the outbreak 10/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Affected population 1 mute swan found dead and tested positive for H5N8. Lough Beg is a small freshwater lake north of Lough Neagh in Northern Ireland. The lake is located on the border between County Londonderry and County Antrim. The Lower Bann flows into it from Lough Neagh at the southern end and continues on its route to the sea from the northern end. It is a stopping point for migrating birds, and the area is protected as the Lough Beg National Nature Reserve.
Outbreak 3 (WB 2020/04) Nr Lancashire, Lancashire, England
Date of start of the outbreak 13/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0
Pink-footed Goose:Anser brachyrhynchus(Anatidae) 1 1 0 0
Affected population wild bird found dead
Outbreak 4 (WB 2020/05) Nr Boston, Lincolnshire, England
Date of start of the outbreak 13/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Eurasian Wigeon:Anas penelope(Anatidae) 1 1 0 0
Greylag Goose:Anser anser(Anatidae) 2 2 0 0
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Brent Goose:Branta bernicla(Anatidae) 3 3 0 0
Common Shelduck:Tadorna tadorna(Anatidae) 1 1 0 0
Affected population 1 x Eurasian Wigeon, 3 x Brent Geese, 1 x Shelduck, 1 x Canada Goose, 2 x Greylag goose found dead nr Boston, Lincolnshire
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Black Swan:Cygnus atratus(Anatidae) 5 5 0 0
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0
Pink-footed Goose:Anser brachyrhynchus(Anatidae) 1 1 0 0
Eurasian Wigeon:Anas penelope(Anatidae) 1 1 0 0
Greylag Goose:Anser anser(Anatidae) 2 2 0 0
Canada Goose:Branta canadensis(Anatidae) 1 1 0 0
Brent Goose:Branta bernicla(Anatidae) 3 3 0 0
Common Shelduck:Tadorna tadorna(Anatidae) 1 1 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% **
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) ** ** 100.00% **
Pink-footed Goose:Anser brachyrhynchus(Anatidae) ** ** 100.00% **
Eurasian Wigeon:Anas penelope(Anatidae) ** ** 100.00% **
Greylag Goose:Anser anser(Anatidae) ** ** 100.00% **
Canada Goose:Branta canadensis(Anatidae) ** ** 100.00% **
Brent Goose:Branta bernicla(Anatidae) ** ** 100.00% **
Common Shelduck:Tadorna tadorna(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
Epidemiological comments Update on WB HPAI cases: ? 2 x Greylag geese and 1 x Canada goose near Stroud, Gloucestershire, England ? 5 x black swans near Dawlish, Devon, England ? 1 x Canada goose near Weymouth, Dorset, England ? 1 x Eurasian Wigeon, 3 x Brent geese, 1 x Shelduck, 1 x Canada goose and 2 x Greylag geese near Boston, Lincolnshire, England ? 1 x Pink-footed goose and 1 x Buzzard Nr Lancashire , England ? 1 x Mute Swan Northern Ireland – confirmed 17 Nov 20.
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
Agri-Food and Biosciences institute (AFBI) (National laboratory) Mute Swan polymerase chain reaction (PCR) 11/11/2020 Positive
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
Weybridge (OIE Reference Laboratory) Brent Goose gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Brent Goose real-time PCR 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Canada Goose gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Canada Goose real-time PCR 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Common Shelduck gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Common Shelduck real-time PCR 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Eurasian buzzard (common buzzard) gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Eurasian buzzard (common buzzard) polymerase chain reaction (PCR) 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Eurasian Wigeon gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Eurasian Wigeon polymerase chain reaction (PCR) 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Greylag Goose gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Greylag Goose real-time PCR 13/11/2020 Positive
Weybridge (OIE Reference Laboratory) Mute Swan gene sequencing 17/11/2020 Positive
Weybridge (OIE Reference Laboratory) Pink-footed Goose gene sequencing 18/11/2020 Positive
Weybridge (OIE Reference Laboratory) Pink-footed Goose polymerase chain reaction (PCR) 13/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.