Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Information received on 09/12/2020 from Dr Hakan Henrikson, Chief Veterinary Officer, Swedish Board of Agriculture, Ministry of Enterprise and Innovation, Jönköping, Sweden
Report type Follow-up report No. 2
Date of start of the event 01/11/2020
Date of confirmation of the event 26/11/2020
Report date 09/12/2020
Date submitted to OIE 09/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 06/05/2018
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N5
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (27/11/2020)
Follow-up report No. 1 (08/12/2020)
Follow-up report No. 2 (09/12/2020)
Follow-up report No. 3 (16/12/2020)
Follow-up report No. 4 (23/12/2020)
Follow-up report No. 5 (07/01/2021)
Follow-up report No. 6 (12/01/2021)
New outbreaks (1)
Outbreak 1 Staffanstorp, Staffanstorp, Staffanstorp, Skåne Län
Date of start of the outbreak 25/11/2020
Outbreak status Resolved (25/11/2020)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 1 0 1 0
Affected population A Barnacle goose (Branta leucopsis) was found with clinical signs of ataxia and falling over and was for this reason euthanised. It was sent to the National Veterinary Institute for laboratory analysis as part of the national surveillance program for avian influenza. Laboratory testing with real-time PCR and virus sequencing was performed with a positive result for highly pathogenic avian influenza H5N5.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Barnacle Goose:Branta leucopsis(Anatidae) 1 0 1 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Barnacle Goose:Branta leucopsis(Anatidae) ** ** 0.00% **
*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
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
  • 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
National Veterinary Institute (National laboratory) Barnacle Goose real-time PCR 03/12/2020 Positive
National Veterinary Institute (National laboratory) Barnacle Goose virus sequencing 07/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations