Epizootic ulcerative syndrome,
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 10/05/2017
Date of confirmation of the event 15/08/2017
Report date 02/02/2018
Date submitted to OIE 02/02/2018
Date event resolved 10/08/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 01/08/2016
Manifestation of disease Clinical disease
Causal agent Aphanomyces invadans
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 (EUS_KNP_2017_001) EUS_KNP_2017_001, Kruger National Park, Kruger National Park
Date of start of the outbreak 10/05/2017
Outbreak status Resolved (10/08/2017)
Epidemiological unit River system
Water type Fresh water
Population type Wild
Production system Open
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
African sharptooth catfish (Clarias gariepinus) 1 (scale 0 to 5) 0 (scale 0 to 5) 1 0 1 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
African sharptooth catfish (Clarias gariepinus) 1 0 1 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
African sharptooth catfish (Clarias gariepinus) ** ** 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
Control measures
Measures applied
  • 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
Directorate Aquaculture Research (National laboratory) African sharptooth catfish (Clarias gariepinus) polymerase chain reaction (PCR) 15/08/2017 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations