Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Sweden
Information received on 09/05/2018 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
Summary
Report type Follow-up report No. 4
Date of start of the event 11/03/2018
Date of confirmation of the event 15/03/2018
Report date 09/05/2018
Date submitted to OIE 09/05/2018
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 (2)
Outbreak 1 Torsås, Torsås, Torsås, Kalmar Län
Date of start of the outbreak 26/03/2018
Outbreak status Resolved (27/04/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 1 1 0 0
Affected population One White-tailed eagle was found dead and was sent to the National Veterinary Institute for laboratory analysis as a part of the national surveillance program for avian influenza.
Outbreak 2 Bjärnön, Bjärnön, Kristianstad, Skåne Län
Date of start of the outbreak 19/04/2018
Outbreak status Resolved (19/04/2018)
Epidemiological unit Forest
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 4 4 0 0
Affected population Four White-tailed eagles were found dead and they were sent to the National Veterinary Institute for laboratory analysis as a part of the national surveillance program for avian influenza.
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
White-tailed Eagle:Haliaeetus albicilla(Accipitridae) 5 5 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
White-tailed Eagle:Haliaeetus albicilla(Accipitridae) ** ** 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments In accordance with the OIE Terrestrial Animal Health Code, Article 10.4.1 point 8, these outbreaks do not change the disease free status of Sweden as they involve wild birds, and therefore do not fall within the OIE definition of poultry.
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • 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) Birds real-time PCR 02/05/2018 Positive
National Veterinary Institute (National laboratory) Birds virus sequencing 07/05/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations