Infectious salmon anaemia virus (HPR-deleted or HPR0 genotypes) (Infection with) ,
Information received on 19/02/2019 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 18/02/2019
Date of confirmation of the event 18/02/2019
Report date 19/02/2019
Date submitted to OIE 19/02/2019
Date event resolved 18/02/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 2010
Manifestation of disease Sub-clinical infection
Causal agent Infectious salmon anemia virus
Serotype HPR0
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (19/02/2019)
Follow-up report No. 1 (13/06/2019)
New outbreaks (1)
Outbreak 1 Randers, Randers municipality, West
Date of start of the outbreak 18/02/2019
Outbreak status Resolved (18/02/2019)
Epidemiological unit Other
Water type Fresh water
Population type Wild
Production system Closed
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
Atlantic salmon (Salmo salar) 1 (scale 0 to 5) 0 (scale 0 to 5) 1 0 1 0
Affected population On 18th February 2019, ISA HPR0 was detected in wild Atlantic salmon (Salmo salar) in facility for restoration of wild stock near the city Randers in the municipality Randers. The salmon was caught in Gudenċen. The fish and its eggs has been destroyed, and the relevant parts of the facility has been cleaned and disinfected.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Atlantic salmon (Salmo salar) 1 0 1 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Atlantic salmon (Salmo salar) ** ** 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
  • Contact with wild species
Control measures
Measures applied
  • Official disposal of carcasses, by-products and waste
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
National Institute of Aquatic Resources (National laboratory) Atlantic salmon (Salmo salar) virus sequencing 18/02/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations