Highly pathogenic avian influenza,
Information received on 18/11/2020 from Dr Hanne Larsen, Chief Veterinary Officer, Danish Veterinary and Food Administration, Ministry of Environment and Food , Glostrup, Denmark
Report type Immediate notification
Date of start of the event 15/11/2020
Date of confirmation of the event 16/11/2020
Report date 17/11/2020
Date submitted to OIE 18/11/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 22/11/2016
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Tustrup, Randers, West
Date of start of the outbreak 15/11/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25000 1500 23500 0
Affected population On November 16th, highly pathogenic avian influenza H5N8 was confirmed in a poultry holding producing eggs to the slaughter chicken production. The holding consists of approximately 25,000 animals. The animals in the holding were tested due to increased mortality in the holding. The animals at the infected holding will be culled and the carcasses will be disposed by rendering.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25000 ** 1500 23500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 6.00% ** 100.00%
*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
  • Unknown or inconclusive
Epidemiological comments The Danish Veterinary and Food Administration has established zones of 3 and 10 km around the holding and are implementing the necessary measures in accordance with Council Directive 2005/94/EC.
Control measures
Measures applied
  • Zoning
  • Traceability
  • Movement control inside the country
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
  • Stamping out
  • Official disposal of carcasses, by-products and waste
  • Surveillance within containment and/or protection zone
Diagnostic test results
Laboratory name and type Species Test Test date Result
Statens Serum Institut (National laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 16/11/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations