Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Information received on 16/03/2018 from Dr Ingrid Eilertz, Chief Veterinary Officer Director and Head, Swedish Board of Agriculture Department for Animal Welfare and Health, Ministry for Rural Affairs, Jönköping, Sweden
Report type Immediate notification
Date of start of the event 11/03/2018
Date of confirmation of the event 15/03/2018
Report date 16/03/2018
Date submitted to OIE 16/03/2018
Date event resolved 06/05/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 24/02/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N6
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (16/03/2018)
Follow-up report No. 1 (26/03/2018)
Follow-up report No. 2 (06/04/2018)
Follow-up report No. 3 (26/04/2018)
Follow-up report No. 4 (09/05/2018)
Follow-up report No. 5 (25/05/2018)
Follow-up report No. 6 (05/06/2018)
Follow-up report No. 7 (31/08/2018)
New outbreaks (1)
Outbreak 1 Östhammer, Uppsala Län
Date of start of the outbreak 11/03/2018
Outbreak status Resolved (16/03/2018)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 105 19 18 87 0
Affected population The affected population consists of 105 non-commercial birds: 28 hens, 11 turkeys, 1 goose, 22 pheasants, 40 pigeons and 3 quails. 15 hens, 1 quail and 2 turkeys have died and one turkey was sick.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 105 19 18 87 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 18.10% 17.14% 94.74% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Contact with wild species
Epidemiological comments All measures according to EU-Directive 2005/94 will be applied including the euthanising and destruction of all birds, cleaning and disinfection of all the premises. There are no commercial poultry farms within a 10km radius of the affected farm. In accordance with the OIE Terrestrial Animal Health Code, Article 10.4.1, point 8, this outbreak does not change the disease free status of Sweden as these are captive birds other than those falling under the OIE definition of poultry.
Control measures
Measures applied
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Official destruction of animal products
  • Traceability
  • Movement control inside the country
Diagnostic test results
Laboratory name and type Species Test Test date Result
National veterinary institute (National laboratory) Birds real-time PCR 14/03/2018 Positive
National veterinary institute (National laboratory) Birds real-time PCR 15/03/2018 Positive
National veterinary institute (National laboratory) Birds virus sequencing 15/03/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations