Highly pathogenic avian influenza,
Italy

Information received on 03/04/2017 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. 12
Date of start of the event	20/01/2017
Date of confirmation of the event	21/01/2017
Report date	03/04/2017
Date submitted to OIE	03/04/2017
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 (1)

Outbreak 1 (HPAI_TO_2017_13 )

Chivasso, TORINO, Piemonte

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	11	11	11	0	0

Affected population

The positivity regards a backyard farm. The March 31, 2017 all of the 11 animals were safely disposed of.

Summary of outbreaks

Total outbreaks: 1

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	11	11	11	0	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	100.00%	100.00%	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	real-time PCR	31/03/2017	Positive

Future Reporting

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

Map of outbreak locations