Highly pathogenic avian influenza,
Italy
Information received on 10/08/2017 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Ministère de la Santé, Department for Veterinary Public Health, Rome, Italy
Summary
Report type Follow-up report No. 21
Date of start of the event 20/01/2017
Date of confirmation of the event 21/01/2017
Report date 10/08/2017
Date submitted to OIE 10/08/2017
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)
New outbreaks (2)
Outbreak 1 (HPAI_PV_2017_28) Chignolo Po, PAVIA, LOMBARDIA
Date of start of the outbreak 03/08/2017
Outbreak status Resolved (11/08/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 3065 2100 2100 965 0
Affected population The positivity regards a geese farm. Culling of 965 geese has been completed on 11 August 2017 and all 3,065 geese have been safely disposed of.
Outbreak 2 (HPAI_MN_2017_29) Solferino, MANTOVA, LOMBARDIA
Date of start of the outbreak 08/08/2017
Outbreak status Resolved (18/08/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 7680 7680 1178 6502 0
Affected population The positivity regards a farm of fattening turkeys. Culling of 6502 turkeys has been completed on 18 Aug 2017 and all 7680 turkeys have been safely disposed of.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10745 9780 3278 7467 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 91.02% 30.51% 33.52% 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
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds nested RT-PCR 03/08/2017 Positive
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 09/08/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations