West Nile Fever,
Information received on 10/07/2019 from Dr Dietrich Rassow, Director for Animal Health and Animal Welfare, Chief Veterinary Officer, Directorate of Animal Health and Animal Welfare, Federal Ministry of Food and Agriculture, Berlin, Germany
Report type Immediate notification
Date of start of the event 03/07/2019
Date of confirmation of the event 09/07/2019
Report date 10/07/2019
Date submitted to OIE 10/07/2019
Date event resolved 21/02/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 18/01/2019
Manifestation of disease Clinical disease
Causal agent West Nile virus
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (10/07/2019)
Follow-up report No. 1 (20/08/2019)
Follow-up report No. 2 (27/08/2019)
Follow-up report No. 3 (13/09/2019)
Follow-up report No. 4 (18/09/2019)
Follow-up report No. 5 (25/09/2019)
Follow-up report No. 6 (04/10/2019)
Follow-up report No. 7 (18/10/2019)
Follow-up report No. 8 (31/10/2019)
Follow-up report No. 9 (18/12/2019)
Follow-up report No. 10 (17/01/2020)
Follow-up report No. 11 (21/02/2020)
New outbreaks (1)
Outbreak 1 (19-416-00001) Wittenberg, Lutherstadt, Wittenberg, Sachsen-Anhalt
Date of start of the outbreak 03/07/2019
Outbreak status Resolved (15/10/2019)
Epidemiological unit Zoo
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Snowy Owl:Bubo scandiacus(Strigidae) 5 2 2 0 0
Affected population one Snowy owl, one Strix nebulosa
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Snowy Owl:Bubo scandiacus(Strigidae) 5 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Snowy Owl:Bubo scandiacus(Strigidae) 40.00% 40.00% 100.00% 40.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
  • Control of vectors
  • Vector surveillance
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Friedrich-Loeffler-Institut (National laboratory) Snowy Owl polymerase chain reaction (PCR) 09/07/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations