11/12/2017 ? On 11 December, the National Reference Laboratory for Avian Influenza and Newcastle Disease confirmed as positive for Avian Influenza A virus subtype H5N8 a fattening turkey farm in Ravenna province (Emilia-Romagna region). At the time of confirmation, the farm housed about 17,000 60-day old female turkeys. On 10 December, a marked mortality increase was observed and reported to the Veterinary Services. The farm is located in a large wetland characterised by a low density of poultry farms. Further information will be provided as soon as available.
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Italy - new outbreak of avian influenza H5N8 in a fattening turkey farm, Ravenna
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...Highly pathogenic avian influenza,
ItalyInformation received on 22/12/2017 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. 35 Date of start of the event 20/01/2017 Date of confirmation of the event 21/01/2017 Report date 22/12/2017 Date submitted to OIE 22/12/2017 Reason for notification Recurrence 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)
Follow-up report No. 12 (03/04/2017)
Follow-up report No. 13 (11/04/2017)
Follow-up report No. 14 (13/04/2017)
Follow-up report No. 15 (31/05/2017)
Follow-up report No. 16 (21/07/2017)
Follow-up report No. 17 (28/07/2017)
Follow-up report No. 18 (31/07/2017)
Follow-up report No. 19 (03/08/2017)
Follow-up report No. 20 (07/08/2017)
Follow-up report No. 21 (10/08/2017)
Follow-up report No. 22 (19/08/2017)
Follow-up report No. 23 (25/08/2017)
Follow-up report No. 24 (31/08/2017)
Follow-up report No. 25 (07/09/2017)
Follow-up report No. 26 (15/09/2017)
Follow-up report No. 27 (02/10/2017)
Follow-up report No. 28 (12/10/2017)
Follow-up report No. 29 (20/10/2017)
Follow-up report No. 30 (27/10/2017)
Follow-up report No. 31 (10/11/2017)
Follow-up report No. 32 (23/11/2017)
Follow-up report No. 33 (01/12/2017)
Follow-up report No. 34 (07/12/2017)
Follow-up report No. 35 (22/12/2017)New outbreaks (1)
Outbreak 1 (HPAI_RA_2017_83) Massa Lombarda, RAVENNA, EMILIA-ROMAGNA Date of start of the outbreak 10/12/2017 Outbreak status Resolved (12/12/2017) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 17000 8000 1135 15865 0 Affected population The positivity regards a farm of fattening turkeys. Culling of 15865 turkeys has been completed on 12 december 2017 and all 17000 turkeys have been safely disposed of. Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 17000 8000 1135 15865 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 47.06% 6.68% 14.19% 100.00% *Removed from the susceptible population through death, destruction and/or slaughter 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
- Official disposal of carcasses, by-products and waste
- Stamping out
- Zoning
- Vaccination prohibited
- No treatment of affected animals
Measures to be applied - Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds polymerase chain reaction (PCR) 11/12/2017 Positive Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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