Italy - New outbreak of avian influenza HP H5N8. 95.000 laying hens, Bergamo

[Pathfinder]

Highly pathogenic avian influenza, Italy

Information received on 09/03/2018 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Minist?re de la Sant?, Department for Veterinary Public Health, Rome, Italy

Summary Report type Follow-up report No. 37 Date of start of the event 20/01/2017 Date of confirmation of the event 21/01/2017 Report date 09/03/2018 Date submitted to OIE 09/03/2018 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)

New outbreaks (1)

Outbreak 1 (HPAI_BG_2018_1 ) Martinengo, BERGAMO, LOMBARDIA Date of start of the outbreak 02/03/2018 Outbreak status Resolved (07/03/2018) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 96007 1362 1362 94645 0 Affected population The positivity regards a layer hen farm. Culling of 94,645 layer hens has been completed on 7th March, 2018 and all 96,007 animals have been safely disposed of.

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 96007 1362 1362 94645 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 1.42% 1.42% 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

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 02/03/2018 Positive

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

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http://www.oie.int/wahis_2/public/wahid.php/Reviewreport/Review?page_refer=MapFullEventReport&reportid=26139

[Tori]

Outbreak of avian influenza in the Bassa, 135 thousand birds destroyed
The operations immediately put in place have led to the suppression of 135 thousand animals, chickens and turkey chicks.

An outbreak of bird flu has alarmed the Bergamo area. After a first outbreak in November, the attention of Ats Bergamo is back on the Martinengo breeding.

The technicians of the AST Bergamo Veterinary Prevention Department confirmed an outbreak of H5N8 highly pathogenic avian influenza in a herd of laying hens in Martinengo, but the alarm involves the whole of Lower Bergamo.

Immediate euthanasia abatement operations took place in the approximately 95 thousand laying hens involved and the destruction of carcasses in a specialized company in the province of Bergamo and cleaning and disinfection of the breeding center of an outbreak. At the same time, on request by the competent Offices of the Lombardy Region and authorization from the Ministry of Health, about 40 thousand turkey chicks were slaughtered in two farms in the immediate vicinity of the outbreak.
Two restriction zones
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http://giornaleditreviglio.it/cronac...-135mila-capi/

[Tori]

On 5 March, the National Reference Laboratory for Avian Influenza and Newcastle Disease confirmed as positive for Highly Pathogenic Avian Influenza A virus subtype H5N8 a laying hen farm in Bergamo province (Lombardy region). At the time of confirmation, the farm housed about 95,000 birds. On 2 March, a marked mortality increase and a drop in egg production were reported to the Veterinary Services. Further information will be provided as soon as available.

http://www.izsvenezie.com/avian-infl...italy-updates/