Italy - 2 new outbreaks of highly pathogenic avian influenza H5N8 in birds in farms, Friuli-Venezia Giulia, Veneto (OIE, March 30, 2017)

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Highly pathogenic avian influenza, Italy

Information received on 30/03/2017 from Prof. Dr. Romano Marabelli, Chief Veterinary Officer, Secretary General, Ministry of Health, Rome, Italy

Summary Report type Follow-up report No. 11 Date of start of the event 20/01/2017 Date of confirmation of the event 21/01/2017 Report date 30/03/2017 Date submitted to OIE 30/03/2017 Reason for notification Reoccurrence of a listed disease Date of previous occurrence 17/01/2015 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N8 Nature of diagnosis Clinical, Laboratory (advanced) This event pertains to a defined zone within the country Related reports Immediate notification (23/01/2017) Follow-up report No. 1 (24/01/2017) Follow-up report No. 2 (26/01/2017) Follow-up report No. 3 (03/02/2017) Follow-up report No. 4 (08/02/2017) Follow-up report No. 5 (16/02/2017) Follow-up report No. 6 (17/02/2017) Follow-up report No. 7 (24/02/2017) Follow-up report No. 8 (01/03/2017) Follow-up report No. 9 (03/03/2017) Follow-up report No. 10 (17/03/2017) Follow-up report No. 11 (30/03/2017)

New outbreaks (2)

Outbreak 1 (HPAI_PN_2017_12 ) San Vito al Tagliamento, PORDENONE, FRIULI-VENEZIA GIULIA Date of start of the outbreak 28/03/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 50 6 6 Affected population The positivity regards a backyard farm.

Outbreak 2 (HPAI_VR_2017_11) Cazzano di Tramigna, VERONA, VENETO Date of start of the outbreak 28/03/2017 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Destroyed Slaughtered Birds 16000 50 50 Affected population The positivity regards a commercial farm of fattening turkeys.

Summary of outbreaks Total outbreaks: 2 Total animals affected Species Susceptible Cases Deaths Destroyed Slaughtered Birds 16050 56 56 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 0.35% 0.35% 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 The National Reference Laboratory has sequenced HPAI subtype H5N8. A protection zone of 3 km and a surveillance zone of 10 km have been established.

Control measures Measures applied Movement control inside the country Screening Traceability Surveillance within containment and/or protection zone Zoning Vaccination prohibited No treatment of affected animals Measures to be applied Disinfection / Disinfestation Stamping out Official disposal of carcasses, by-products and waste

Diagnostic test results Laboratory name and type Species Test Test date Result Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds polymerase chain reaction (PCR) 29/03/2017 Positive Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 29/03/2017 Positive Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds virus sequencing 29/03/2017 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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