Equine influenza,
Information received on 09/06/2020 from Dr Olev Kalda, Chief Veterinary Officer, Management, Veterinary and Food Board, Tallinn, Estonia
Report type Immediate notification
Date of start of the event 29/05/2020
Date of confirmation of the event 04/06/2020
Report date 09/06/2020
Date submitted to OIE 09/06/2020
Date event resolved 26/06/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 2003
Manifestation of disease Clinical disease
Causal agent Equine influenza A virus
Serotype Not typed
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to the whole country
Related reports Immediate notification (09/06/2020)
Follow-up report No. 1 (29/06/2020)
New outbreaks (1)
Outbreak 1 Tallinn, Harju
Date of start of the outbreak 29/05/2020
Outbreak status Resolved (26/06/2020)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 84 2
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Equidae 84 2
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Equidae 2.38% ** ** **
*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 horses were vaccinated.
Control measures
Measures applied
  • Traceability
  • Quarantine
  • 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
Laboklin GmbH&CoKG (Foreign laboratory) Equidae polymerase chain reaction (PCR) 03/06/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations