Ireland - H5N6 confirmed in a common buzzard in Co. Tipperary

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Update on Avian Influenza 06/2018

8 March 2018

H5N6 in a common buzzard in Co. Tipperary

 Avian influenza subtype H5N6 has been confirmed in a wild bird (common buzzard) in
County Tipperary.

 This is the second positive wild bird finding in Ireland this year.

 The first positive finding was detected on the 5
th of February in a white tailed sea eagle
found also in County Tipperary.

• Update on Avian Influenza No 6 March 2018 - Second Wild Bird H5N6 Positive (pdf 317Kb)

https://www.agriculture.gov.ie/avian...influenzanews/

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

Information received on 12/03/2018 from Dr Martin Blake, Chief Veterinary Officer, Department of Agriculture, Food and the Marine, Agriculture House, Dublin, Ireland

Summary Report type Follow-up report No. 1 Date of start of the event 31/01/2018 Date of confirmation of the event 09/02/2018 Report date 12/03/2018 Date submitted to OIE 12/03/2018 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic influenza A virus Serotype H5N6 Nature of diagnosis Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (09/02/2018) Follow-up report No. 1 (12/03/2018)

New outbreaks (1)

Outbreak 1 Terryglass, Co. Tipperary, TIPPERARY Date of start of the outbreak 23/02/2018 Outbreak status Resolved (23/02/2018) Epidemiological unit Not applicable Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Eurasian buzzard (common buzzard):Buteo buteo(Accipitridae) 1 1 0 0 Affected population On 23rd February 2018, a common buzzard was found dead near Lough Derg, Co. Tipperary, in an area known to be frequented by migratory birds.

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) 1 1 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 Unknown or inconclusive Epidemiological comments On 7th March 2018 the Irish Central Veterinary Research Laboratory confirmed the presence of avian influenza subtype H5N6 in samples taken from the common buzzard. On 9th March 2018 sequencing results confirmed highly pathogenic avian influenza H5N6.

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 Irish Central Veterinary Research Laboratory (National laboratory) Eurasian buzzard (common buzzard) real-time PCR 07/03/2018 Positive Bioscience Waterford (Private Laboratory) Eurasian buzzard (common buzzard) virus sequencing 09/03/2018 Positive

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=26162