Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Information received on 31/08/2017 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
Report type Follow-up report No. 7
Date of start of the event 03/01/2017
Date of confirmation of the event 05/01/2017
Report date 31/08/2017
Date submitted to OIE 31/08/2017
Date event resolved 15/11/2017
Reason for notification New strain of a listed disease
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (11/01/2017)
Follow-up report No. 1 (24/01/2017)
Follow-up report No. 2 (24/02/2017)
Follow-up report No. 3 (29/03/2017)
Follow-up report No. 4 (03/05/2017)
Follow-up report No. 5 (07/06/2017)
Follow-up report No. 6 (03/08/2017)
Follow-up report No. 7 (31/08/2017)
Follow-up report No. 8 (04/10/2017)
Follow-up report No. 9 (20/10/2017)
Follow-up report No. 10 (10/11/2017)
Follow-up report No. 11 (26/01/2018)
New outbreaks (1)
Outbreak 1 (7_2017_HPAIWB) Mozzanica, BERGAMO, Lombardia
Date of start of the outbreak 25/08/2017
Outbreak status Resolved (13/10/2017)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Affected population The positivity concerns a wild swan found dead in a pond. Diagnostic tests were performed and the result was the H5N8 serotype.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Mute Swan:Cygnus olor(Anatidae) 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae) ** ** 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Source of the outbreak(s) or origin of infection
  • Contact with wild species
Control measures
Measures applied
  • Movement control inside the country
  • Screening
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Experimental Zooprophylactic Institute (IZS), Venezie - Padova (National laboratory) Mute Swan virus isolation 25/08/2017 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations