UK - 6 new outbreaks of highly pathogenic avian influenza H5N6 in wild birds in natural parks, Berkshire, Hampshire, Norfolk, Lincolnshire, Devon in England, South Glamorgan in Wales (OIE, March 1, 2018)

[Pathfinder]

Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds), United Kingdom

Information received on 01/03/2018 from Dr Nigel Gibbens, Chief Veterinary Officer, Department for Environment, Food and Rural Affairs, Department for Environment, Food and Rural Affairs, LONDON, United Kingdom

Summary Report type Follow-up report No. 7 Date of start of the event 09/01/2018 Date of confirmation of the event 09/01/2018 Report date 01/03/2018 Date submitted to OIE 01/03/2018 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic influenza A virus Serotype H5N6 Nature of diagnosis Clinical, Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (10/01/2018) Follow-up report No. 1 (15/01/2018) Follow-up report No. 2 (17/01/2018) Follow-up report No. 3 (22/01/2018) Follow-up report No. 4 (29/01/2018) Follow-up report No. 5 (05/02/2018) Follow-up report No. 6 (14/02/2018) Follow-up report No. 7 (01/03/2018)

New outbreaks (6)

Outbreak 1 (WB AIV 2018/14) Berkshire, ENGLAND Date of start of the outbreak 28/02/2018 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) 2 2 0 0 Affected population Two mute swans (Cygnus olor) found dead in river in Berkshire.

Outbreak 2 (WB AIV 2018/18) Hampshire, ENGLAND Date of start of the outbreak 28/02/2018 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 Affected population One common buzzard (Buteo buteo) found dead in farmland in Hampshire.

Outbreak 3 (WB AIV 2018/17) Norfolk, ENGLAND Date of start of the outbreak 28/02/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Natural park Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Northern Goshawk:Accipiter gentilis(Accipitridae) 1 1 0 0 Affected population One northern goshawk (Accipiter gentilis) found dead in farmland in Norfolk.

Outbreak 4 (WB AIV 2018/15) Lincolnshire, ENGLAND Date of start of the outbreak 28/02/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Natural park Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Common pheasant:Phasianus colchicus(Phasianidae) 2 2 0 0 Greylag Goose:Anser anser(Anatidae) 2 2 0 0 Affected population Two greylag geese and two pheasants found dead in farmland in Lincolnshire.

Outbreak 5 (WB AIV 2018/13) South Glamorgan, WALES Date of start of the outbreak 28/02/2018 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 Affected population One common buzzard (Buteo buteo) found dead in coastal/urban area in South Glamorgan.

Outbreak 6 (WB AIV 2018/16) Devon, ENGLAND Date of start of the outbreak 28/02/2018 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 Affected population One common buzzard (Buteo buteo) found dead in river in Devon.

Summary of outbreaks Total outbreaks: 6 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Mute Swan:Cygnus olor(Anatidae) 2 2 0 0 Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 3 3 0 0 Northern Goshawk:Accipiter gentilis(Accipitridae) 1 1 0 0 Common pheasant:Phasianus colchicus(Phasianidae) 2 2 0 0 Greylag Goose:Anser anser(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% ** Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) ** ** 100.00% ** Northern Goshawk:Accipiter gentilis(Accipitridae) ** ** 100.00% ** Common pheasant:Phasianus colchicus(Phasianidae) ** ** 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 Epidemiological comments The virus is a reassortant between H5N8 HPAI circulating in Europe and a European N6.

Control measures Measures applied Official disposal of carcasses, by-products and waste Vaccination prohibited No treatment of affected animals Measures to be applied No other measures

Future Reporting

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26044