Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Information received on 10/12/2020 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 07/12/2020
Date of confirmation of the event 09/12/2020
Report date 10/12/2020
Date submitted to OIE 10/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 04/01/2019
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza A virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
New outbreaks (1)
Outbreak 1 Jelling, Vejle, West
Date of start of the outbreak 07/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Not applicable
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 901 14 10 891 0
Affected population On December 7th 2020, a laboratory suspicion on "other captive birds" was reported to the Danish Veterinary and Food Administration. The affected population consisted of 901 birds with over 200 species. On December 9th 2020, highly pathogenic avian influenza virus (subtype H5N8) was confirmed by the national reference laboratorium. A 3 km protection zone and a 10 km surveillance zone were established. All susceptible animals in the infected holding have been killed and destroyed. The birds are defined as "other captive birds" (article 2, point 6 in Council Directive 2005/94) because they were kept as a non-commercial holding.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 901 14 10 891 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 1.55% 1.11% 71.43% 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
  • Contact with wild species
Epidemiological comments According to article of the Terrestrial Animal Health Code, Member Countries should not impose bans on the trade in poultry and poultry commodities in response to notification on the presence of any influenza A virus in birds other than poultry.
Control measures
Measures applied
  • Movement control inside the country
  • Traceability
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Surveillance outside containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Disinfection
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) 09/12/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations