Koi herpesvirus disease,
South Africa
Information received on 02/02/2018 from Dr Bothle Michael Modisane, Chief Director , Department of Agriculture, Forestry and Fisheries, Animal Production and Health, PRETORIA, South Africa
Report type Immediate notification (Final report)
Date of start of the event 27/10/2017
Date of confirmation of the event 10/11/2017
Report date 02/02/2018
Date submitted to OIE 02/02/2018
Date event resolved 27/01/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 07/07/2017
Manifestation of disease Clinical disease
Causal agent Koi herpesvirus
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (KHV_KZN_2017_01) KHV_KZN_2017_01, eThekwini, Kwazulu-Natal
Date of start of the outbreak 27/10/2017
Outbreak status Resolved (27/01/2018)
Epidemiological unit Other
Water type Fresh water
Population type Farmed
Production system Closed
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
Koi (Cyprinus rubrofuscus) 1 (scale 0 to 5) 0 (scale 0 to 5) 1 0 0 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Koi (Cyprinus rubrofuscus) 1 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Koi (Cyprinus rubrofuscus) ** ** 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 Coordinates modified to protect confidentiality as required by South African Legislation.
Control measures
Measures applied
  • 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
Veterinary Molecular Services (Private Laboratory) Koi (Cyprinus rubrofuscus) polymerase chain reaction (PCR) 10/11/2017 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations