Information received on 29/07/2016 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 Follow-up report No. 3
Date of start of the event 07/07/2016
Date of confirmation of the event 12/07/2016
Report date 29/07/2016
Date submitted to OIE 29/07/2016
Date event resolved 10/09/2016
Reason for notification Recurrence of a listed disease
Date of previous occurrence 26/11/2013
Manifestation of disease Clinical disease
Causal agent Bacillus anthracis
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (13/07/2016)
Follow-up report No. 1 (18/07/2016)
Follow-up report No. 2 (28/07/2016)
Follow-up report No. 3 (29/07/2016)
Follow-up report No. 4 (01/08/2016)
Follow-up report No. 5 (03/08/2016)
Follow-up report No. 6 (09/08/2016)
Follow-up report No. 7 (19/08/2016)
Follow-up report No. 8 (29/08/2016)
Follow-up report No. 9 (09/09/2016)
Follow-up report No. 10 (19/09/2016)
New outbreaks (1)
Outbreak 1 Vadstena, Vadstena, Östergötlands Län
Date of start of the outbreak 27/07/2016
Outbreak status Resolved (10/09/2016)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 3 1 1 0 0
Affected population On July 27, a 14 years old Warmblood gelding was found dead on pasture. No obvious signs of disease were found and the horse had appeared healthy when observed on the evening before. Blood samples were taken from the dead horse the same day, analysed with PCR technique, and were found positive to Bacillus anthracis. Another two Warmblood horses on the same pasture were found healthy. These two were treated with antibiotic. All three horses had been moved to the pasture on July 16.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 3 1 1 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 33.33% 33.33% 100.00% 33.33%
*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 The animals are believed to have been infected by spores from soil on the pasture.
Control measures
Measures applied
  • Movement control inside the country
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Vaccination permitted (if a vaccine exists)
  • Treatment of affected animals ( Penicillin treatment for five days)
Measures to be applied
  • Disinfection / Disinfestation
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Veterinary Institute (National laboratory) Equidae real-time PCR 28/07/2016 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations