Koi herpesvirus disease,
Information received on 30/09/2020 from Dr Jozef Bires , Director & Chief Veterinary Officer , State Veterinary and Food Administration , Ministry of Agriculture, BRATISLAVA, Slovakia
Report type Follow-up report No. 1
Date of start of the event 31/07/2020
Date of confirmation of the event 31/07/2020
Report date 30/09/2020
Date submitted to OIE 30/09/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 23/07/2019
Manifestation of disease Clinical disease
Causal agent Koi herpesvirus
Nature of diagnosis Laboratory (basic)
This event pertains to a defined zone within the country
Related reports Immediate notification (22/09/2020)
Follow-up report No. 1 (30/09/2020)
Follow-up report No. 2 (07/10/2020)
Follow-up report No. 3 (16/10/2020)
Follow-up report No. 4 (26/10/2020)
Follow-up report No. 5 (05/11/2020)
Follow-up report No. 6 (16/11/2020)
Follow-up report No. 7 (23/11/2020)
New outbreaks (1)
Outbreak 1 Kunov, Senica, Trnava
Date of start of the outbreak 18/09/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Reservoir
Water type Fresh water
Population type Farmed
Production system Semi-closed
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
Common carp (Cyprinus carpio) (kg) 1 (scale 0 to 5) 1 (scale 0 to 5) 5 5
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Common carp (Cyprinus carpio) (kg) 5 ** 5
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Common carp (Cyprinus carpio) (kg) ** 100.00% ** **
*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
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance within infected and/or protection zone
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Stamping out
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
State Veterinary Institute, Zvolen (National laboratory) Common carp. (Cyprinus carpio.) polymerase chain reaction (PCR) 20/08/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations