Pullorum disease,
Information received on 30/05/2019 from Dr Per Starcke Henriksen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Environment and Food of Denmark, Glostrup, Denmark
Report type Immediate notification
Date of start of the event 20/05/2019
Date of confirmation of the event 28/05/2019
Report date 30/05/2019
Date submitted to OIE 30/05/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 2010
Manifestation of disease Clinical disease
Causal agent Salmonella Gallinarum biovar Pullorum
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (30/05/2019)
Follow-up report No. 1 (07/06/2019)
Follow-up report No. 2 (24/07/2019)
New outbreaks (1)
Outbreak 1 Ringsted, Ringsted, East
Date of start of the outbreak 20/05/2019
Outbreak status Resolved (05/06/2019)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1600 1200 1200 400 0
Affected population Pheasant chickens for game restocking were tested after clinical signs and high mortallity were reported in the flock, starting on the 20th of May. Salmonella Gallinarum biovar Pullorum was detected in samples from the herd on May 28th. All the susceptible animals at the infected holding were killed on June 5th and destroyed on June 6th.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 1600 1200 1200 400 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 75.00% 75.00% 100.00% 100.00%
*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 Epidemiological investigation is ongoing.
Control measures
Measures applied
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Statens Serum Institute (National laboratory) Birds bacteriological examination 28/05/2019 Positive
Statens Serum Institute (National laboratory) Birds polymerase chain reaction (PCR) 28/05/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations