Highly pathogenic avian influenza,
Information received on 15/08/2013 from Prof. Dr. Romano Marabelli, Chief Veterinary Officer, Secretary General, Ministry of 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