Highly pathogenic avian influenza,
Information received on 15/08/2013 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
Report type Immediate notification
Date of start of the event 10/08/2013
Date of confirmation of the event 14/08/2013
Report date 15/08/2013
Date submitted to OIE 15/08/2013
Date event resolved 08/09/2013
Reason for notification New strain of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H7
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (15/08/2013)
Follow-up report No. 1 (21/08/2013)
Follow-up report No. 2 (23/08/2013)
Follow-up report No. 3 (28/08/2013)
Follow-up report No. 4 (05/09/2013)
Follow-up report No. 5 (18/09/2013)
New outbreaks (1)
Outbreak 1 (HPAI_ER_2013_1) Ostellato, FERRARA, Emilia-Romagna
Date of start of the outbreak 10/08/2013
Outbreak status Resolved (27/08/2013)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 128000 105000 4000 124000 0
Affected population Commercial layer hens with clinical signs - PCR positive for H7
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 128000 105000 4000 124000 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 82.03% 3.13% 3.81% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Timely notification from the farmer of suspect clinical signs allowed the detection of the disease affecting a commercial farm of layer hens. A protection zone of 3 km and a surveillance zone of 10 km have been established around the farm, which is under restriction. Tracing is underway and depopulation has commenced. Further diagnostic examination, also to determine the N type, and the epidemiological investigation are on-going.
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Screening
  • Disinfection / Disinfestation
  • Stamping out
Diagnostic test results
Laboratory name and type Species Test Test date Result
Experimental Zooprophylactic Institute (IZSVe), PADOVA (National laboratory) Birds polymerase chain reaction (PCR) 14/08/2013 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations