UK - 1 new outbreak of highly pathogenic influenza H5N6 in two common buzzards found dead in Suffolk, England (OIE, April 3, 2018)

[Pathfinder]

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

Information received on 03/04/2018 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. 10 Date of start of the event 09/01/2018 Date of confirmation of the event 09/01/2018 Report date 03/04/2018 Date submitted to OIE 03/04/2018 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) Follow-up report No. 8 (16/03/2018) Follow-up report No. 9 (23/03/2018) Follow-up report No. 10 (03/04/2018)

New outbreaks (1)

Outbreak 1 ( WB AIV 2018/20) Suffolk, England Date of start of the outbreak 28/03/2018 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 2 2 0 0 Affected population Two common buzzards (Buteo buteo) found dead in Suffolk.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 2 2 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) ** ** 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 The event is continuing. Weekly follow-up reports will be submitted.

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26346