Croatia Confirms Avian Flu (HP H5N8) in Dead Wild Swans

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Highly pathogenic avian influenza, Croatia

Information received on 10/02/2017 from Dr Damir Agičić, Assistant to Minister, Chief Veterinary Officer, Veterinary and Food Safety Directorate, CRO Ministry of Agriculture, ZAGREB, Croatia

Summary Report type Follow-up report No. 7 Date of start of the event 30/10/2016 Date of confirmation of the event 09/11/2016 Report date 10/02/2017 Date submitted to OIE 10/02/2017 Reason for notification New strain of a listed disease in the country Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (10/11/2016) Follow-up report No. 1 (18/11/2016) Follow-up report No. 2 (08/12/2016) Follow-up report No. 3 (16/01/2017) Follow-up report No. 4 (19/01/2017) Follow-up report No. 5 (24/01/2017) Follow-up report No. 6 (27/01/2017) Follow-up report No. 7 (10/02/2017)

New outbreaks (1)

Outbreak 1 Karlovac- river Korana, Karlovac, Karlovac, KARLOVACKA Date of start of the outbreak 02/02/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Mute Swan:Cygnus olor(Anatidae) 1 1 0 0 Affected population One swan was found dead on the river Korana.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Mute Swan:Cygnus olor(Anatidae) 1 1 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% ** *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

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 Croatian Veterinary Institute, Poultry Centre, Zagreb (National laboratory) Mute Swan polymerase chain reaction (PCR) 09/02/2017 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=22805