Italy - 1 new outbreak of highly pathogenic avian influenza H5N8 in a wild swan found dead, Lombardia (OIE, October 4, 2017)

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

Information received on 04/10/2017 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Minist?re de la Sant?, Department for Veterinary Public Health, Rome, Italy

Summary Report type Follow-up report No. 8 Date of start of the event 03/01/2017 Date of confirmation of the event 05/01/2017 Report date 04/10/2017 Date submitted to OIE 04/10/2017 Reason for notification New strain of a listed disease Manifestation of disease Clinical disease Causal agent Highly pathogenic influenza A virus Serotype H5N8 Nature of diagnosis Laboratory (advanced), Necropsy This event pertains to a defined zone within the country Related reports Immediate notification (11/01/2017) Follow-up report No. 1 (24/01/2017) Follow-up report No. 2 (24/02/2017) Follow-up report No. 3 (29/03/2017) Follow-up report No. 4 (03/05/2017) Follow-up report No. 5 (07/06/2017) Follow-up report No. 6 (03/08/2017) Follow-up report No. 7 (31/08/2017) Follow-up report No. 8 (04/10/2017)

New outbreaks (1)

Outbreak 1 (8_2017_HPAIWB) Como, COMO, LOMBARDIA Date of start of the outbreak 01/09/2017 Outbreak status Resolved (02/10/2017) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Mute Swan:Cygnus olor(Anatidae) 1 1 0 0 Affected population Positivity concerns a wild swan (Cygnus olor) found dead on the long lake Como (CO).

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of 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 Contact with wild species

Control measures Measures applied Movement control inside the country Screening Official disposal of carcasses, by-products and waste Control of wildlife reservoirs 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 Experimental Zooprophylactic Institute (IZS), Venezie - Padova (National laboratory) Mute Swan real-time PCR 28/09/2017 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=24952