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2020-7-8 10:16:18

OIE: Low pathogenic avian influenza (poultry, H5N1), Denmark
submited by kickingbird at Jan, 31, 2020 10:19 AM from OIE

Information received on 30/01/2020 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 27/01/2020
Date of confirmation of the event 29/01/2020
Report date 30/01/2020
Date submitted to OIE 30/01/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 01/07/2019
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H5N1
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
New outbreaks (1)
Outbreak 1 S鎑erup, Aalborg, West
Date of start of the outbreak 27/01/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 48000 0 0
Affected population On 29 January 2020, low pathogenic avian influenza H5 has been confirmed in a commercial poultry holding with organic laying hens. The layers were tested in accordance with the Danish surveillance programme for avian influenza in poultry. The holding consists of approximately 48.000 organic egg layers. The egg layers 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 48000 ** 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds ** 0.00% ** **
*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 a restricted zone of 1 km around the holding and are implementing the necessary measures in accordance with Council Directive 2005/94/EC. There are no other commercial poultry holdings within the established restricted zone 1 km around the infected holding. There has been no trade of poultry from the holding to other EU countries or third countries within the last 30 days.
Control measures
Measures applied
  • Movement control inside the country
  • Quarantine
  • Zoning
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Traceability
  • 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 polymerase chain reaction (PCR) 29/01/2020 Positive
Statens Serum Institut (National laboratory) Birds virus sequencing 29/01/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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