OIE: Highly pathogenic avian influenza, Italy

Summary

Report type	Follow-up report No. 38
Date of start of the event	20/01/2017
Date of confirmation of the event	21/01/2017
Report date	16/03/2018
Date submitted to OIE	16/03/2018
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)

New outbreaks (2)

Outbreak 1 (HPAI_BS_2018_2)

Coccaglio, BRESCIA, LOMBARDIA

Date of start of the outbreak

08/03/2018

Outbreak status

Resolved (11/03/2018)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	30906	82	82	30824	0

Affected population

The positivity regards a laying hens farm. Culling of 30824 laying hens has been completed on 11 March, 2018 and all 30906 animals have been safely disposed of.

Outbreak 2 (HPAI_BG_2018_3)

Cologno al Serio, BERGAMO, LOMBARDIA

Date of start of the outbreak

12/03/2018

Outbreak status

Continuing (or date resolved not provided)

Epidemiological unit

Farm

Affected animals

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	150400	240	240

Affected population

The positivity regards a commercial farm of fattening turkeys

Summary of outbreaks

Total outbreaks: 2

Total animals affected

Species	Susceptible	Cases	Deaths	Killed and disposed of	Slaughtered
Birds	181306	322	322	30824	0

Outbreak statistics

Species	Apparent morbidity rate	Apparent mortality rate	Apparent case fatality rate	Proportion susceptible animals lost*
Birds	0.18%	0.18%	100.00%	**

*Removed from the susceptible population through death, destruction and/or slaughter

**Not calculated because of missing information

Epidemiology

Source of the outbreak(s) or origin of infection

Unknown or inconclusive

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	real-time PCR	08/03/2018	Positive
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory)	Birds	real-time PCR	12/03/2018	Positive

Future Reporting

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