Highly pathogenic avian influenza,
Italy
Information received on 30/03/2017 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. 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
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 (2)
Outbreak 1 (HPAI_VR_2017_11) Cazzano di Tramigna, VERONA, Veneto
Date of start of the outbreak 28/03/2017
Outbreak status Resolved (31/03/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 16000 50 50 15950 0
Affected population The positivity regards a commercial farm of fattening turkeys. Culling of 15950 turkeys has been completed on March 31, 2017 and all 16,000 turkeys have been safely disposed of.
Outbreak 2 (HPAI_PN_2017_12 ) San Vito al Tagliamento, PORDENONE, Friuli-Venezia Giulia
Date of start of the outbreak 28/03/2017
Outbreak status Resolved (30/03/2017)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 50 6 6 44 0
Affected population The positivity regards a backyard farm. Culling of 44 animals has been completed on 29 March 2017 and all 50 animals have been safely disposed of.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 16050 56 56 15994 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 0.35% 0.35% 100.00% 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
  • Surveillance within containment and/or protection zone
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
  • 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.
Map of outbreak locations