Highly pathogenic avian influenza,
Italy
Information received on 02/10/2017 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. 27
Date of start of the event 20/01/2017
Date of confirmation of the event 21/01/2017
Report date 02/10/2017
Date submitted to OIE 02/10/2017
Date event resolved 23/03/2018
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)
Follow-up report No. 36 (23/01/2018)
Follow-up report No. 37 (09/03/2018)
Follow-up report No. 38 (16/03/2018)
Follow-up report No. 39 (28/03/2018)
Follow-up report No. 40 (02/08/2018)
New outbreaks (4)
Outbreak 1 (HPAI_VI_2017_38) Campiglia dei Berici, VICENZA , Veneto
Date of start of the outbreak 25/09/2017
Outbreak status Resolved (30/09/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 30076 210 210 29866 0
Affected population The positivity regards a farm of fattening turkeys. Culling of 29,866 turkeys has been completed on 30 September 2017 and all 30,076 turkeys have been safely disposed of.
Outbreak 2 (HPAI_VI_2017_40 ) Pojana maggiore, VICENZA, Veneto
Date of start of the outbreak 25/09/2017
Outbreak status Resolved (29/09/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 12150 3340 236 11914 0
Affected population The positivity regards a farm of ducks, broilers and guinea fowls. Culling of 11,914 (10,264 ducks, 1,300 broilers, 350 guinea fowls) has been completed on 29 September 2017 and all 12,150 animals have been safely disposed of.
Outbreak 3 (HPAI_CR_2017_41) Soresina, CREMONA, Lombardia
Date of start of the outbreak 25/09/2017
Outbreak status Resolved (29/09/2017)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 46 46 12 34 0
Affected population The positivity regards a backyard farm. Culling of 34 animals has been completed on 29 September 2017 and all 46 animals have been safely disposed of.
Outbreak 4 ( HPAI_VR_2017_39 ) San Martino buon albergo, VERONA, Veneto
Date of start of the outbreak 26/09/2017
Outbreak status Resolved (28/09/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 8378 135 135 8243 0
Affected population The positivity regards a farm of fattening turkeys. Culling of 8,243 turkeys has been completed on 28 September 2017 and all 8,378 turkeys have been safely disposed of.
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 50650 3731 593 50057 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 7.37% 1.17% 15.89% 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) 26/09/2017 Positive
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds real-time PCR 28/09/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations